What is Physics Engine?
1.
noun.
boobs that move vigorously when jumping or
originated in
look at the physics engine on that girl!
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A specific breed of rimjob where the receiver has just deficated leaving trailing remains around their rim giving it the texture of rust..
1.
what you get when you wear the same length socks all the time in the sun.
Man, all Rickys socks are the same and now his summer socks l..