aggressive fapping

When one is fapping loudly, quickly, and mercilessly.

* fap! fap! fap! fap! fap! fap!fap! fap! fap!fap! fap! fap!*
"Hey, Bleaux Bigelow, what's going on in there? I hear some aggressive fapping sounds coming from under the door."

fapaholic

One who is addicted to fapping, and experiences withdrawal symptoms when not currently engaged in the activity.

Keith: "Yo, Clark. I'll be back later, I need to go fap."

Clark: "You're such a fapaholic, and you need to go to rehab for it"

Taxi-fap

Vigorously masturbating in the back of a taxi cab, preceding a monster load shot on the back of the seat, without having to worry about cleanup.

"Yo, Clark, you'd never believe that awesome taxi-fap I just threw down in that yellow cab."