fudunk 

v. the act of slapping a member of the female gender across the face region with an erect penis, usually resulting in a mushroom-shaped imprint on the slapped area.

I fudunked her good last night across the face region with my erect penis, and then developed a sudden and unexplainable urge for some mushrooms.

fudunk by SuperCameron March 28, 2003

fudunk 

Full Unit Designation UNKnown. Decades-old military acronym.

Wash the mud offa that FUDUNK Jeep on the double!

fudunk by clea023 May 4, 2006

fudunk 

The act of hitting someone in the face with a penis.

I fedunked the bitch when she refused to give me head.

fudunk by Anonymous April 11, 2003

fudunk 

An exclamation that a male screams when he is constipated.

Fudunk! I haven't crapped in four days.

fudunk by joe February 5, 2004

fudunk 

v., what happens to you when you take a very hard test (in school, standardized, or otherwise) and afterward you feel mentally exhausted and brain-fried

Man, that BC Calculus exam fudunked really bad yesterday; I am not ready to start studying for the AP Chem test yet.

fudunk by Winsi May 6, 2004

fudunk 

okay look people, this word does not mean smacking someone with your penis.
That word would be mushroom slap. So click on mushroom slap and you will see the real definition.

I should mushroom slap the person who thinks fudunk means "to smack in the face with ones penis"
How dare you

fudunk by drew s. August 4, 2004

Fudunkler 

One who wastes their life on music or the performing arts. These normally include those who major in theater, music, or any derivative there of.

The first usuage of this term originated in Union, NJ where such rampant examples of fudunkling took place.

(Upon spotting a street musician) Once a fudunkler, always a fudunkler.

Fudunkler by Lisa Chode February 4, 2010