(short for) definitely (esp. in web chat and texting)
by dilbert scrunchie June 20, 2003
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Short for definately.
Said in normal conversations.
"I'm defo keen to get fucked up."
by Diego August 30, 2003
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Kinda lame but useful and funny way of saying for sure or definately.
Also; fo deffs, def, deffy def, deffo McDefferson.
by Jake May 8, 2005
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Gothenburg wigger slang. Short for definitely. Also used instead of "for real", when wanting to point out that something is very true or given.
- I deffo need some weed right now.


- This crib rocks!
- Deffo!
by Japfreak January 3, 2004
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Should we move forward on this deck? Deffo.
by par ez January 11, 2013
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A kill that in competitive online games is aimed to stop the enemy attack
*Player 1 are you about to peek mid?*
*yea but i'll draw back shortly after a deffo kill
*alr seems good we need that*
by Sheix April 14, 2023
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a term local to Stratford-Upon-Avon College (England), Blates Deffo is simply the coupleing of the two terms Blates and Deffo to stress your positive reaction to a suggestion
josh: you wanna go blag some pork pies?

james: Blates Deffo, m8!
by lowlife4ever March 10, 2008
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