Double Quad-Roller Bumpin' Grind

When two quadruple amputees, strapped to skateboards have sex.

The Annual Amputee Orgy/Tent Revival ended in a Double Quad-Roller Bumpin' Grind under the pulpit.

by Super Guatemala Man February 18, 2008

Quad grind

When inconspicuously grinding with four (or more) people at one point in time.

i once got Quad grinded when IN SLATINGTON( they're all bitches and who'es)
i was thrown into a clusterfuck of sluts.

by dr duche bag josh March 31, 2009