Define Jump Someone Meaning

Jump Someone
Jump on top of them and rutally fuck

Oh man! She's so hot!! Man if I could jump someone right now it would so be her
By Adele
Jumping Someone Elses Train
Copying someone elses style, or just agreeing with what they say and believe to fit in.

What a jerk. Tom started wearing his hat backwards like John, just so he would like him. He is jumping John's train.
By Jerry