Hulk dick is an expression for a penis that is fairly small when flaccid, but when erect grows to enormous sizes.
"Thought this guy I hooked up with would be small since he was short, turns out he had a massive hulk dick."
by haha_fuck_youu October 23, 2017
"Yeah, he was soo good, he had a huge Hulk Dick"
"I'm a little sore, he really gave me that Hulk Dick"
"I'm a little sore, he really gave me that Hulk Dick"
by Synyster_Kidd August 28, 2015
Hulk dicks orgin comes after many years of steriods to the dick to the point where it turned into another throbbing min brain attacted to his body. When hulk dick gets mad he using dick smash also HULK DICK SMASH
by mcmuff272 August 24, 2011