multi-pass 

Having a bowel movement and vomiting either simultaneously or in rapid succession, usually due to excessive drinking or illness.

Jen was doing shots all night, and now she's in the bathroom, multi-passing.

multi-pass by Solent March 6, 2011

multipasking 

Portmanteau of multitasking and paska, Finnish for shit. Like multitrashing but the end result is mentioned in the name. Nothing will ever be finished and the work in progress is just all crap.

Could you repeat that? I was multipasking and didn't listen.

multipasking by Ztn April 7, 2021

multiassin 

1. The act of kicking multiple peoples asses.
2. Kicking someone ass with the help of several people.
3. your an ass in multiple ways.

Lst night at the bar we went all multiassin on ian.

multiassin by spicy creeper February 28, 2009

Multiassing

when a person is doing too many tasks at once, a little more than half-assing something.

Michael was multiassing on his psych, bio, and algebra homwork at the same time.

Multiassing by sarcasmprince October 30, 2017

Multipass

A combination of an passport/ID card and credit card which gives the owner the right to travel and shop pretty much anywhere in the galaxy. Leeloo uses the multipass when boarding the spacecraft to Fhloston Paradise together with Korben Dallas (The Fifth Element).

Leeloo: Mul-ti-pass.
Korben Dallas: Yeah, multipass, she knows it's a multipass. Leeloo Dallas. This is my wife.

Multipass by Deadly_Nightshade May 25, 2017

Multiassing

To be doing more than one ass at once.

"dude last night i got so much ass at once"

"so you were multiassing?!"

"pretty much!"

Multiassing by Falalala. January 2, 2010