Top Definition
The word Def Duck is derived from "definately fucked," meaning that you definately fucked up.
Kyle: I thought we were supposed to hang out today.
Shannon: Sorry I wound up going over to my boyfriends house.
Brandy: Shannon you def ducked.
بواسطة bran,shan,ky ديسمبر/كانون الأَوّل 17, 2005

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