"I'm gonna cum!" is what a lot of guys shout just before they reach the point of no return and blow their load.
Matt always shouts "I'm gonna cum!" just before he fills my mouth with my cocksucker's reward!
by USAF Cadet December 23, 2020
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cum is the white poo soo uhhh
I'm gonna cum!
by Sophia_Cutie19 September 27, 2022
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When somebody is about to cum/bust.
Guy: "I'm bout to cum.. Uohhhhhhhhh! OOoooouuh!!!"
by joeygotglow June 6, 2022
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Said during sex or masturbation to make it clear that you are going to orgasm.
"Oh god babe, I'm going to cum again. Harder, harder! Don't hold back, pound into my tight pussy hard and fast!" She demand while rubbing her clit faster.
by plovingthesound January 4, 2016
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A meaningful phrase used in wholesome TikTok lives and congratulating your teammates/opponents in games. It doesn't have a specific meaning just used on anything happy/wholesome.
Example 1:
Other Team Wins:

You: I'm gonna cum on you

Example 2:
TikTok live with people with disabilities and terminal illness
You: I'm gonna cum on you

Example 3:
Friend: I can't believe I beat you in that race
You: I'm gonna cum on you
by Wholesome gamer May 12, 2023
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A dirty way of saying surprise butt-sex.
1.Waffles: Hey Dwarfo, I'm gonna cum to your house and knock knock on the back door. If you don't answer, I'm gonna bang bang!

Dwarfo: Yeep! I hope it isn't too surprise!

2. What rapists say to little kids when they are gonna butt-rape them.
by Dr. Dirty August 15, 2008
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