Duffalo 

A Fat girl or group of fat girls who cockblock. Slang on the word duff. Originated in NC

I was gonna smash but shawty's herd of Duffalo trampled the club

Duffalo by STMONEY May 23, 2007

Duffalo 

a cockblocker

That Mike is one hell of a duffalo to sit on my couch while i'm trying to get a piece.

Duffalo by sto8216 July 20, 2010

Duffblock 

A situation when one is taken out of a conversation with a female by a friend with Duff in their name. See also Cockblock

Bob was trying to get his game on with this fine girl when he was abruptly DUFFBLOCKED by John.

Duffblock by Kenneth Baker October 23, 2007

duffcloning

Fucking a midget while sitting on an office chair next to a space heater

Stop duffcloning at work

duffcloning by anonymous December 17, 2024