to strike or knock (something) with force

to injure or damage (something) by striking it on something hard, usu accidentally

to collide with (something or somebody)

to dislodge (something) with a jolt

informal to exclude (an airline passenger) from a flight because of overbooking

to move in a series of bumps, e.g. in a vehicle along an uneven road

(often + against/into) to knock against something with a forceful jolt

a sudden forceful blow or jolt

a swelling or protuberance

a dancer's thrusting of the hips forwards in an erotic manner: compare grind²

(the bumps) the playful act of holding somebody by the arms and legs and swinging them into the air and back to the ground