look up any word, like sex:
A temporary girlfriend designated solely for the duration of a state mandated probation. One is specifically acquired for duties such as: sperm depository, taxi services, meal preparatory, & financial assistance. Probation slut is immediately dismissed upon completion of probation.
Ernie: "So what?... are you gonna hibernate now that you plead guilty to your DUI?!"

Gill: "It's all good, go me a probation slut."
by Ernie Gucci & Chuck Peterson April 27, 2010