The definition of the word creasage is when you find something really funny that makes you laugh your head off. Also another word for creasage is lolage or lol.
The "proper" term for Butt Cleavage, made accessible to booty watchers everywhere by ultra low rise jeans and pants. While sometimes seen with a whale tale, au naturale is the preferred display. This is the also discreet way to refer to it when seen in the wild.
A trip to a grocery store, convenience store, or gas station for the sole purpose of buying an excessive amount of junk food and sugary drinks, usually with friends. A chud run often happens late at night and ends with everyone involved hating themselves afterwards.