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The act of penetrating a partner's anus using one's head. The Vermont variant integrates maple syrup.
"After a long night of doming, we cuddled for a while before falling asleep."
Doming by DrBunsen April 8, 2009
Verb. Past tense: domed. Short for "slamming to your dome-piece." Usually refers to drinking beers very fast and in one breath.

Important: this has absolutley nothing to do with orally accepting fecal matter.
"Dude, I love doming at 11am." "Dude we totally domed, like, 5 beers in an hour. It was sick."
doming by PaddleJohn May 24, 2007
To have sex with someone so hard rendering yourself and the other unconcious.
I love Doming! It is my favorite pass-time!
Doming by Buzkill625 April 22, 2017
to crap in anothers mouth which is coated in plastic wrap thereby insuring all th heat yet none of the sanitation problems
doming by scrumper August 18, 2003
Doming: to go the the Aqua Dome and use the sauna and steam room facilities
I'm doming at 8pm today after work.
Would you like to come doming with me this evening.
Doming by Tbmfbc January 5, 2025

doming the fetus 

a mythical situation in which one's penis makes contact with the head of pregnant girls fetus.
While i was having sex with my soon to be baby's momma, I could swear i was bottoming out. You know... Like I was " doming the fetus "