muscle check

When you like a girl and you have to check to make sure you have a 6 pack, big biceps, no double chin, and no pool float around your stomach.

Josh: Hey Kyle, don't you think that girl over there is hot?
Kyle: Before you do something stupid or bang something, why don't you do a muscle check?

Check wicked

Something beast

Yes yes check wicked

Checks Out

Meaning that something is indeed correct

“Ok Fairs, yea that checks out”