To be honest, if he's checking you out, he is either really into you or he is just looking for reasons to get in your pants.
It means his friend just said something along the lines of "Bro, that chick is checking you out."
yes
he wants to compare between him and your ex, and he might be checking on what you like in a guy or if you still are hung up on him.
That he's checking you out!
well hes "checking" you out. He MIGHT like you
If you catch a guy looking at you and then when he sees that you noticed he looks away, this means he was most probably checking you out!! This guy is probably interested in you, like him back? GO FOR IT
he is totally checking you out (:
the guy you have a crush on is checking you out
Yes.
He is checking you out
Affection. Or checking to see how you respond.
he's just checking her out.