Sexual act performed with a male masturbating in a chair with his back to three women. Upon ejaculating, he shoots his load over his shoulder and the three women waiting compete to see who can catch his load in their mouth. First to women to catch 3 wins.

see also: white magician, sacrifice fly
"Playing three flys up with your mouth is hard, we should be allowed to use baseball gloves"
by therube February 24, 2010
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the same as upto - meaning what are you doing.
could be used rhetorically or as a literal way of asking someone what they are doing
*someone does something stupid*
person 1: bro, up three’s?

person 2 (stupid one): i don’t even know bro

person 1: up theee’s?
person 2: i’m just walking my fish hbu
by flashbackmary September 13, 2021
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A person who throws threes up is a way of indicating that they get zero bitches and have no rizz
Did you see Ryan throwing threes up?
He must have zero rizz and bitches
by Hfhfg April 1, 2022
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