DuFFing is a sexual act in which two men simulataneoualy ejaculate on each other's testicles and then proceed to 69 in order to lick their semen off the other mans balls.
Puff and Trent were caught DuFFing at the family gathering. The entire family was shamed by their actions.
by nikolaienglovich February 28, 2019
Taken from last name of "supposed" pop sensation Hillary Duff. ...When the loss of one's innocence is suddenly cool and popular. ...Drastically becoming something your not overnight.
by Dyre Wolf January 12, 2005
Female equivalent of beating up. Not so violent and involves a lot of pushing and the occasional pinch. From the series "Confessions of Georgia Nicholson".
by ʎppǝɹɟ ǝןqısıʌuı April 13, 2009
A girl who is always loud and can make everyone and anyone happy. She is always cheerful! She loves playing sports, manly hockey and baseball and is an amazing player. She is always there for her bestfriends. She is a great student but, sometimes doesn't have the best common sense. She is blonde and blonde at heart. In conclusion, she is an AMAZING PERSON!!
by Ouchhies May 14, 2011
duffing up is the female equivelant of beating up, or kicking ass. It's not so violent in a sense, and to a certain degree. It usually involves excessive screaming, clawing, pushing, and shit-talking.
by Ali Lansing July 15, 2006