floss handjob

Attempting to do the dance known as the "floss" whilst giving a handjob.

WARNING: dick yanking is inevitable.
Side Affects may include: needing a dick transplant, or needing your dick reattached.

ER nurse: What are you in for?
Dude: I'd rather not say..
ER nurse: Then I can't help you.
Dude: My girlfriend tried giving me a floss handjob, and it really hurts!