To behave in a way that is morally unacceptable.
Alice: Did you hear what Charlie did yesterday?!
Bob: Damn! He really crossed the line this time.
When two people of a high caliber of bitchiness compete in a fierce battle to prove who is the ultimate bitch.
Holly and her roommate got into a major clash of cross-bitchination last night. They threw a chair.
Cross country is for mental people who think running is fun to do so they made cross country a sport and that is why it exists.
I failed P.E so I can’t play cross country..,
Enamel Crossing is when two people making out touch teeth.
Yeah, me and my girl were at the crib playing some Enamel Crossing
Jeez, He has his fingers crossed he must Be madly Obsessed with their lover
Cross Over ; is when a covert cop goes to far and can't come back. There denoted and deemed to be Common Criminals. An insult or reference to them is - "to fat, to coppish".
Let's say during a complicated covert opparation, the cop had to cross over knowing that there was no way back. He will not be able to be withdrawn from service, and therefore will be treated as a common criminal unless otherwise directed. With a name such as Ron Nicalson, who's now to fat and to coppish.