gravity fuck 

When the bus takes a sharp turn and you are thrown into a compromising position with the person next to you.

Oh Noes! I just got Graivity Fucked!TM

--gravity fuck

gravity fuck by The_Roaming_Gnome2 June 16, 2006

Gravity fucking 

Using the gravity to fuck your lovers throat in a 69

2 men in a 69 but the man on top doesn’t thrust which is gravity fucking

Gravity fucking by Andrew_rawr89 January 12, 2024