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1.
A lewd oral sex act wherein a male participant is receiving oral sex from a person with a tracheal stoma. When climax is reached, the male receiving oral sex ejaculates deep into mouth of the stoma-oral-sex-giver causing the semen to be released from the tracheal stoma, dribbling down the chest of the stoma-oral-sex-giver a la Plinko.

also see Detroit Sidecar
Dude, I totally got a free BJ last night playing Malaysian Plinko. My load dropped right into her belly button to score the free BJ!
by Hey Guy… February 28, 2013