1 definition by Captaincrank
The act of two people sitting in a bathtub facing each other while exchanging big toe penetration into each other’s buttholes and making a ship horn sound.
So I heard Lee and Wayne have been in the bathroom big toe tugboating all night.
Wow! That was some awesome BTTB!!
Wow! That was some awesome BTTB!!
by Captaincrank March 23, 2020
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