What is Teeball?
1.
Def. 1: Used to describe something particularly easy, generally a task.
Def.2: Used to describe someone of the opposite sex, particularly in how easy it will be to pick that person up. A sure thing.
origin: beginner's little league game of the same name, where the degree of difficulty in hitting a baseball is reduced by placing it on a tee for the child to hit.
"I know the guy who runs that place, so getting our friends in should be teeball tonight."
"See that drunk chick over there? Total teeball."
See