(to make) a quick movement up and down

bounce up and down

(of babies) big and healthy

spring up; rebound

suddenly and violently

collide, hit, usually with sound

(an) injury or violent shaking or shock (to the brain) as caused by a blow, knock or fall

collision, shaking

(the force produced by) one object striking against another

collision, force

a slight push, shake etc; running

activate, push

a sudden rough shake

surprise; sudden push

(to cause something) to make a series of short, sharp sounds; to make (a person) nervous and frightened

bang, jiggle

(to cause something, oneself) to move from side to side, up and down etc

quiver, tremble

of shake

quiver, tremble