When there is an orgy happening and the guys ejaculate onto the girls.
Boys vs Girls, Squirt vs Cum

Boy yells: I finished them 3 left.

Squirt Gun fight.
by Cum Gunner April 13, 2021
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A competitive sex act in which two or more participants stand on opposite sides of a room and attempt to hit those on the other side with bodily fluids while masturbating. Semen, urine, feces, saliva, mucus, and most forms of vaginal and anal discharge are considered valid projectiles. Depending on local rules participants may or may not use certain objects, such as turkey basters and leaf blowers, to aid in directing the fluids towards their targets.
"Hello Dean! You should bring Martha and the kids over this Saturday for another squirt gun fight."
by shartstain March 30, 2015
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