Multifucking 

This is when a man is

naked on one leg with one leg sticking out and his hand sticking out opposite like a T your wife is giving you a bj your beating your kids with your hand and your foot ticking out is in your daughters ass

Dad stop multifucking it hurts

Multifucking by Insta @ben_1780 October 1, 2019

multicocking 

The act of when a girl sluts around with multiple guys. It's like multitasking but with male genitals.

Dude don't mess with that girl. She is really good at multicocking.

multicocking by Arrozito February 22, 2009

Multifacing

When you have multiple social networking sites open on your computer monitor.

The network guys blocked his access to the internet for excessive multifacing during office hours.

Multifacing by C#Note March 9, 2014