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Canadian slang for coffee.

Any caffeinated drink can also be called a 'yoff'.
Person A: Hey guys I'm feelin' pretty tired

Person B: How aboot a couple Yoffs for the boys?

Person C: Sounds good!

Person A: just what I need!
by YungCanadianGoose April 03, 2017
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Your Own Fucking Fault.
When working in the ER and someone comes in with with an injury due to stupidity, it's a YOFF.
by riggins1 September 17, 2009
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