Means "just chillin" or to be "super chill" in a very extreme way. A common word for stoners because they're stoned. Example: "Hey bro what are you doing after school today" "madchillin"
by Miguel Carllos October 24, 2014
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MadD chill
• madd
• Madd Dogg
• Madd Nigga
• madd awk
• Madd Bitchin'
• madd brick
• Madd Cutty
• Madd-Faxz
• madd forever