To stick your dick in the exhaust pipe of a Peterbilt while dressed like Optimus prime when your about to finish you yell autobots roll out.
I saw my buddy playing with his new transformers he did a Doyle roll out when he saw me.
I can't believe she's 'knocking out a chavvy', she's already got enough kids to make up a football team!
Exit a channel of water via the "eddy", it will swirl you out of the eiver and back out, to the river bank
When you see a sexy girl (e.g. at the YouTube) and you are single, so there is no other way than to fap.
Teenager (coming home from school): Hey dad, my classmate Jill was really hot today!
Dad: Aww, you must be horny! Go to your room quickly and fap it out!
to let something go, let something loose, to finally relieve something
It's when you are really going for it - whether it be at work (doing a big deal, showing your expertise or kicking somebody's ass who made you mad) or showing off at Sports or with the opposite Sex.
You're showing the world that you are the man (or wo-man)...
... oh man, did you see Benoit at Crossfit yesterday. He was REALLY CROC'ing out!
.. Hey, you ready for the meeting? Hell yes, let's Croc Out!