I'm assuming it means to "shake" ones hips back and forth as in shaking your butt. It can be interpreted literally, as above, but it often means "hurry up".
you know just shake it
If you mean shake it up then it's by Selena Gomez!!
It means for the girl he is talking to to shake her junk
Shake your body or butt. I also hear people say "shake!" as if to say in your face or or to be rude.
to shake it off
Con Los Terroristas Means With The Terrorist I LOVE HARLEM SHAKE ! <3
It's Jar. jar can mean to shake something and its a glass container. :)
It means you're a prostitute, and to shake your butt in guys faces for money.
It means they start shaking and they cannot stop, or they shake and keep shaking repeatedly.
If it was text to you it could mean "Shake your Booty" or "Sell Your Body".
shake my damn head
shake something and it makes a sound