Top Definition
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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