Durfgasm 

When orgasming so intensely, that a literal substance oozes from your durf or taint. This is often awful smelling and foul.

Fuck man, Billy's mom has wicked crazy durfgasms!

Dude, that chick durfgasmed all over my ballsack and now it smells like 30 year old fish oil!

Durfgasm by Lucas Auraleus, The Chode June 27, 2006

Dufgasm 

What happens when a Duf (or Doof) makes you laugh so hard you almost crap yourself. See lolgasm

Duf: You know it's bad when your grandma says you could make a good stripper...
Gabe: omg lolololololol!!! woo, I just Dufgasmed.

Dufgasm by Zack7psp December 6, 2010