1.) act of two male dolphins having sex through the blowhole, naturally due to the lack of any female genitalia.
2.) act of two male humans doing anal, also known as, "anal intercourse", or "butthole sex". "Blowhole Sex" is just a more respectable term.(:
Dolphin 1: eee eee eee!
Dolphin 2: eee eee eee!
Nay: What're they doing?
Tay: Blowhole Sex.

OR

Crazy: eee eee eee!
Psycho: eee eee eee!
Tay: What're they doing?
Nay: Blowhole Sex.
by Bianca Christine April 17, 2012
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When your diarrhea flows down your legs and fills up your socks.
Sorry I missed the meeting. I had a bad case of sockaritis of the blowhole.
by Jerdog 3 April 1, 2016
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blowhole
A large mammal that outdraws others in poker.
Your friend plays poker often. Unfortunately he makes horrible decisions that work out for him. This friend may have a birthmark on his bald head that looks like a blowhole (whale.) When he outdraws you on the river with the one card in the deck to hit a straight flush, you've been blow-holed.

You rivered me again! You blowhole (whale)!
by Rafael Martinez October 24, 2006
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A statement indiciating surprise or acknowledging defeat. Blowhole in this context typically refers to the mouth.
You're dumping me?? Well, fuck me in the blowhole!
by Nick S December 6, 2004
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The Btown Blowhole is when you’re playing ping pong with a sexual partner and your paddle is essentially your asshole. You catch the ball in your asshole and poof it out like a whales blowhole and continue playing.
“Yo you tryna do the Btown Blowhole” “Yeah man let me get out my paddle ;)”
by TheBtownBlowholeMaker April 8, 2021
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A hole drilled in the men's bathroom going into the women's bathroom for cocks to be sucked.
I need to unload into a blowhole soon.
by anon76889 August 27, 2014
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