Hulk it 

A term meaning to intensify sexual intercourse. Often used meaning intercourse becoming "harder" and "sweatier."

Jen: I love it when I hulk it with my boyfriend.

Sally: Yeah! It makes it so much more fun.

Hulk it by sixtynine69 June 3, 2010

hulk it up 

To demonstrate the next level of rage.

When you find your partner in another's bed it's quite likely that you'll hulk it up.

hulk it up by M. Hermans June 29, 2006

doing it like Hulk 

When a guy rams into a girl doggy style full trottle while pulling her hair and causing her back to arch in ecstasy, then yelling "HULK SMASH" and slamming his arms on her back with all his might.

Guy: You are not prepared for this!
Girl: What!?
Guy: HULK SMASH!
*crack*
Guy:.....I think I broke her back......thats what i get for Doing it like Hulk

doing it like Hulk by Omgwtflol1 December 14, 2007