when a scottish cunt goes on a absolute bender. classified by - not going home between the days Friday and sunday night, more than 5 gram of gear must be consumed, minimum 5 swaggers (eccies), atlas 2 bottles of buck and/or a swift litre of scotlands finest glens (ket, mandy and bubbles also recommended to fulfil your mad yin)
"am going on a fucken mad yin this weekend davie" or "fuck me a need a heavymad yin after this week"
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi