There are several proper expressions for "hit me up" including:
Sure thing! Another informal word for ask is "hit me up".
It means Hit Me Up
Hit me upexample: Josh how are u doing hmu
Another word for shut up is Insturd
From your profile page scroll you mouse over to the right side of the status and you will see the word delete come up when you hit the right spot.
Another word for tallied up could be accounted for.
Another word for someone being stuck up is 'snob.'
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To post an answer on Facebook, when you reply, you want to click on comment underneath the post. This will open up a separate box and you can type your answer in. Then hit the enter to submit it.
Another word for "spoke up" could be "voiced" or "expressed."
another word for appears could be comes up, shows up or arrives
The answer is to "call me later" (: Resources: Being a teen and knowin internet slang