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1.
Neatly place a piece of saran wrap over your lovers chest. Take a shit on top of the saran wrap. Carefully pick up the saran wrap and have your lover lick the condensation off the bottom.
I wanna fucking give your mother a glass bottom steam boat.
by JETJOCK March 19, 2009
 
2.
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 10, 2003