When you're fucking a girl and promise to pull out, and then cum inside her instead.

n. The birth name of somebody who has changed their name. Most commonly attributed to trans people, but can be attributed to any person who has changed their name. (sometimes written as two words: dead name)

v. 1. To call somebody by their deadname.
v. 2. To out somebody's deadname to the public.

When a guy busts a nut in a girl's pussy without her permission and/or knowledge.

Note: Do NOT do this if the girl knows who you are or can track you down.

while your railing a chick anally, you blow your load in her ass, then you pull out and leave. but before you go, you say "good luck with that."

When you go down on a woman only to find that she's been freshly fucked by another man but she purposely didn't mention it!

when you un-expectedly jizz in a girls asshole, and then it leeks out.
or you whip it out of her ass real quick and unload a full clip in her face and give her a free facial that she was not prepared for

The act of cumming inside of an ice cream before it has been served, resulting in a warm ooze in the inside of the ice cream.