Japanese. Literally "Armpit Sex". The sexual act of a male rubbing his penis against, and ejaculating on the armpit (waki) of a female.

Also known as "bagpiping".
I'm planning to confess my deepest secret to my girlfriend, in hopes that she'll indulge me...
I'm going to tell her that I'm into wakizuri.
by KtWdA November 8, 2012
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