When a person is giving head, and sucking so hard that their cheeks sink in, they have cock dimples.
This chick was suckin me so hard, she had cock dimples!!
When you gotta take a shit so bad, you cant squeeze your ass cheeks together or make it "go back up".
Dude, I gotta shit so bad, it's groundhoggin!!
What you smell when you smack your hand on your couch, car, or dining room chair, seat cushions.
I was doing spring cleaning and beating the dust off the couch when that old fart hit me right in the face.