Conor McGregor is notoriously famous for regularly making use of a Twitter feature that is often overlooked, the voice tweet. In his latest voice tweet, McGregor sang a song whose lyrics mentioned drugs and elicited hilarious reactions from mixed martial arts fans.McGregor was singing 'The Drugs Don't Work' by the English rock band, The Verve. The song was released in 1997 and was extremely popular amongst British listeners. The former lightweight champion sang the chorus:“The drugs don’t work, they just make you worse. But I know I’ll see your face again.”Conor McGregor@TheNotoriousMMA4575453https://t.co/JtG936lELDFans responded by stating that the drugs certainly seem to be working for McGregor, while mentioning various instances, including his body transformation."It sounds like they’re working for you"ALI MANSOUR@alzz30@TheNotoriousMMA It sounds like they’re working for you90@TheNotoriousMMA It sounds like they’re working for you"Drugs are a helluva thing."Sean.@UKWellsy@TheNotoriousMMA Drugs are a helluva thing.@TheNotoriousMMA Drugs are a helluva thing."They definitely worked bro"𝘼𝙡𝙜𝙤𝙖𝙩 🎒@aljoisthegoat@TheNotoriousMMA They definitely worked bro342@TheNotoriousMMA They definitely worked bro https://t.co/HDsSKPPOPJConors Voicenotes@conorvoicenotes@TheNotoriousMMA They defo work31@TheNotoriousMMA They defo work https://t.co/LeJ2NN8EdY"My guy they are working just fine"Jack (Handsome)@JackDoesCrime@TheNotoriousMMA My guy they are working just fine@TheNotoriousMMA My guy they are working just fineMany others referenced cocaine usage and also called in the United States Anti-Doping Agency, with whom McGregor has some friction. "Cocaine is a helluva drug"thebigirishgorilla@irishgorilla@TheNotoriousMMA Cocaine is a helluva drug15@TheNotoriousMMA Cocaine is a helluva drugMcSouness ✪@McSouness@TheNotoriousMMA Moments before:24@TheNotoriousMMA Moments before: https://t.co/M0bihGgWg6pohuja@pohuja1@TheNotoriousMMA3@TheNotoriousMMA https://t.co/rQimir8xnX"Does USADA test for coke?"Logan@runituplogan@TheNotoriousMMA Does USADA test for coke?1@TheNotoriousMMA Does USADA test for coke?"As you make money off selling alcohol to a people who have had generations wrecked and ruined by the 'drug'."NewAdda@Keithisi@TheNotoriousMMA As you make money off selling alcohol to a people who have had generations wrecked and ruined by the 'drug'@TheNotoriousMMA As you make money off selling alcohol to a people who have had generations wrecked and ruined by the 'drug'Other fans made various quips about Conor McGregor's singing."As rich as you are, you can’t take singing lessons?"T- R O Y!@Tpefley1@TheNotoriousMMA As rich as you are, you can’t take singing lessons?@TheNotoriousMMA As rich as you are, you can’t take singing lessons?"Touching lyrics. The beauty of your voice brought tears to my eyes"Nicholas Ayers@NicholasAyers@TheNotoriousMMA Touching lyrics.The beauty of your voice brought tears to my eyes1@TheNotoriousMMA Touching lyrics.The beauty of your voice brought tears to my eyesConor McGregor weighs in on the upcoming heavyweight title clash between Jon Jones and Stipe MiocicJon Jones is set to defend his heavyweight title for the first time against returning former champion Stipe Miocic at UFC 295 at the Madison Square Garden. View this post on Instagram Instagram PostConor McGregor weighed in on the blockbuster fight and labeled the fight an interesting one. He raised questions about Miocic's training and stated that he could pose a threat to Jones. 'The Notorious' said:“Jones [vs] Miocic is a great heavyweight bout. Jon proved his worth in the heavyweight division and Stipe, they say is one of the greatest heavyweights of all time. Yeah, now I’m interested to see how that will go. Has he been training as well? He’s got some things that could trouble Jon. And Jon’s Jon Jones.”Check out his comments below: