The dirty chulainn is when you chop off fingers one by one while masturbating to photos of your grandmother.
DUDE WHAT HAPPENED TO YOUR HAND!?
i got down and did the dirty chulainn last night, worth it.
Shoving a cactus down your partners throat while furiously massaging their special place. Usually accompanied with snacks
boy, things got heated last night! me and smella did the dirty naoise!