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Usually a person of Irish descent, and loves to party and get drunk. Also very good with the opposite sex and known for being comical/Good in bed.
Dude I saw a Mannion at the party last night, He was so funny!
by mikeyjane August 29, 2011
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Nov 18 Word of the Day
Treating every relationship like it’s your last and getting super serious with someone you just started dating.
Person 1: who tf is that new chick w alex?
Person 2: idk he's been apocalypsing like crazy
by Plenty of Fish November 10, 2020
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