1.Leaning, with your right hand on the wheel,out the window, with rap blastin' out the speakers, and bouncin' to the beat.
2.Leaning a girl frontward, lifting up her skirt, or pulling down her pants, and inserting dick in pussy for a better sensation.
1."Joe was Gangster LeanIng when he hit the stop sign.
2."I wanna Gangster Lean yah bitch!"