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1.
The new guy?

Also used for the name of the new guy.

A father can use to intimidate daughters new boy friend.

Probationary
Who's the proby?

What up Proby?

Hi DADDY this is Cory. Dad's response is so your the Proby

At a new job you are on probationary time.so the other employee's call you Proby
by Proby April 10, 2006
 
2.
{slang} a probation officer
No johnny I cant toke up this week I have to meet with my Proby
by kanabis kid February 14, 2007