the act of shiting in a glass bowl while it is placed over your partners head
Hey Toby, I just gave that bitch the glass bottom river boat.
by Kyle Longbrake November 10, 2007
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The act of placing cellophane over your partner's mouth, then deficating on the celophane. Your partner then takes your feces into his/her mouth and tongues it through the celophane.

I used'd up all of the saran wrap last night givin' mah bitch a glass-bottom steam boat fo' her birfday
by VanMan423 July 11, 2003
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While performing the act of defecating on the cellophane over your partner's mouth, a sudden tear accidentally forms and the log torpedoes into his/her mouth.
Tim could not foresee that by having bought the saran wrap at the Dollar Store would only lead to torpedoing the Glass- Bottom Steam Boat and ending a perfect night of love.
by Red Dragon October 18, 2003
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When someone shits onto a glass coffe table while another person watches from underneath.

Similar to a "Hot Carl" or "Cleveland Steamer"
Hey Aleah, wanna go to Target and get a rusty glass bottom boat?
by BigPasta April 4, 2021
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