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1 definition by Jeff Ott

 
1.
To duff. (v)

1) An unspecified act, with the ability to surface in the conversation with vague initialization; a general verb replacement, adding emphasis on the action done.

2) The action/s brought upon in the rare situation of a peg-leg and/or amputee impaling another person’s chest at high velocity, generally in the process of a high-altitude attack.
1) a. "Dude, I'm totally going to duff you in the face if you don't shut the fuck up."

b. "Oh yeah? Well I duffed your mom last night."

2) (In the context of 'Rules of Engagement')
"Yeah, I can totally see that little stubby girl duffing him in the chest."
by Jeff Ott October 29, 2005
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