(noun): A male human with little or nothing to offer society aside from the opportunity for copulation with a similar member of the opposite sex.
"Why is she with him...can't she see he's a cum pump?"
"All that guy is is a cum pump."
(After casual sex with anonymous partner)
"God, I'm such a cum pump."
"All that guy is is a cum pump."
(After casual sex with anonymous partner)
"God, I'm such a cum pump."
by Peter Mings January 11, 2009

Emily:Chad yesterday was a cum pump and got a lot of cum in my mouth
Vanessa:Damn I want some of that action
Vanessa:Damn I want some of that action
by Mommy milkers March 31, 2021

by Tingtangwallawallabingbanged May 31, 2016

The 2 pump cum is where the male sticks his whole dick inside of her vagina and takes it out and pumps it back in with twice the force.
Oh my god Amy. Charles did his 2 pump cum on me last night and my G-spot practically exploded. It felt amazing.
by TheCountryBoyToy February 08, 2015

by Cake.is.my.otp August 19, 2017

When you catch your 10 year old cousin blasting rope to fortnite porn at 3:27AM, so in response you join him.
by The Sussy Piss Prostitute July 11, 2021
