Making a mistake, usually with another girl. A huge mistake. Something like, getting head from a flat girl thats really ugly!
Jakey why did you try to get head from that girl? That's a big mistakey!
by jw June 18, 2003
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when you wake up in the morning and you already fucked up everything
guy 1: good morning
guy 2: I just did a wakey wakey big mistakey
guy 1: lol that sucks bro
by The Holy Protector Of Butt April 14, 2020
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