Definitions by Mr.. C.

Polkaroo

Polkaroo
To leave, usually quickly and to avoid being seen.
Synonyms: ghost, Swayze, dip, Audi 5000 etc.

Based on television character Polkaroo who would disappear before the second host of the polka dot door could see him.

"Is that your ex walking towards us?"
"Polkaroo ."
or
"Where's Uncle Jesse? He owes me money."
"sorry guy, he's Polkaroo ."
Source: Mr C.., Toronto

Polkaroo by Mr.. C. March 4, 2008

popped collar crime 

Criminal activity associated with fraternity members. Usually date-rape.

"Bro, where's the Rohypnol? I want to do a little popped collar crime."

"This is Duke; we won't go to jail for popped collar crime."

popped collar crime by Mr.. C. March 4, 2008