When a person shits on on top of a glass table, while someone under neath masturbates to it. like as you would watch fish in a real glass bottom boat.
Kelly did a glass bottom boat for me while i jacked off. She's such a freak!
by systemcontrol January 18, 2010
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A sexual act that involves a person squatting and defecating on a glass table while another watches from below.
John paid the hooker for a glass-bottom boat but I had to clean it up.
by MeowMeow master March 12, 2010
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the act of wrapping seran wrap around a partner's head, and then performing the cleveland steamer on the seran wrap.
by Anonymous April 15, 2003
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When one puts seran wrap on anothers face, poking holes for respiration, and taking a dump on the others face with the seran wrap still on there face. The seran wrap acting as a "Glass Bottom".
Jack performed a glass bottom boat on jon after jon fell asleep.
by Nick We June 20, 2007
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Jerking off underneath a glass coffee table while some slut drops trow and shits over you, onto the table.
by Talking Goat June 20, 2003
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When you shove a gerbil up into your anal cavity (asshole) followed by a clear beverage glass or jar, as to trap the gerbil inside, but provide him/her with a spectacular view.
Friend 1: "Dude!! That poor gerbil!!!!

Friend 2: "Are you kidding me?? Dude, c'mon.....I gave him a glass bottom boat -he settled down after coming back to discover that shit!!"

Buttplug Looking Glass Bottle Return Salad Shooter Hamster Cage Easy Bake Oven Gerbil Trail
by Eskorpija May 20, 2016
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The art of placing cling wrap over your sex partners mouth and pushing it in a bit so that it forms a trough in their mouth. Step 2 is to defecate into the trough and force the turd in. Your partner must then suck the warmth out of the faeces.
A glass bottomed boat is nasty
by Agrabarian November 12, 2004
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