Multi-Apping 

When your working on an app for examplye Uber or lyft and also working for Uber eats.

The incident occurred while I was multi-apping. I was working for Uber and Grub Hub at the same time.

Multi-Apping by Cindiemateo July 21, 2019

multifapping 

The act of masturbating to several erotic / pornographic subjects at the same time.

"Yesterday there were four of my favorite models playing on cam at the same time! I was multifapping like a motherfucker."

fap multitasking fapzapping

multifapping by Zozzone March 17, 2011

multifapping 

Masturbating while playing StarCraft 2.

I'm going to multifap when we play tonight.

I was multifapping when we played last night.

multifapping by Code Name: Dutchess December 1, 2011