a 5 foot 9 rookie that plays for the New york knicks, that has crazy hopsand won the slam dunk contest

Phrase uttered by Robot B9 from the TV series "Lost in Space". Used now as a catchprase to warn someone that s/he is about to do something really stupid and/or downright dangerous.

an older woman who pursues men in their late teens and early twenties for sex.

The owner of FreeRepublic.com, who scams his mindless, retarded, sub-human members into giving him millions of dollars to run a website that looks 10 years out of date.

a black man who hits baseballs very very far. and also gets made fun of by steve the pirate from dodgeball

Tom Robinson is a character in the widely popular book "To Kill A Mockingbird." In the story, Robinson, an African American, is wrongly accused of raping the daughter of a man he caters to. Although his laywer comes up with enough evidence to prove that he could not have possibly raped the woman, he is convicted anyway and sentenced to death.
Most people use Tom Robinson in place of 'scapegoat' when an African American is involved in a blame, but it can be used as a verb.

Second baseman for the New York Yankees, extremely hott, barely speaks a word of english, and happens to PLAY IN BETWEEN Derek Jeter and Jason Giambi...oo yes and he's one of the best rookies in the game.