Definitions:
push oneself off a surface and into the air by using the muscles in one's legs and feet

(of a person) move suddenly and quickly in a specified way

attack (someone) suddenly and unexpectedly

(of a place) be full of lively activity

have sex with (someone).

start (a vehicle) using jump leads

an act of jumping from a surface by pushing upwards with one's legs and feet

a sudden involuntary movement caused by shock or surprise

an act or instance of having sex.