(US,informal) A man employed by a financecompany or similar lender to repossess property which is the security for a loan or subject of a lease and where payments have not been made by the borrower or lessor at agreed times (i.e. one that is in default).
1984, Alex Cox, Repo Man, spoken by Otto Maddox (Emilio Estevez):
I'm a repo man. It's a repossesser. I take back cars from dildos who don't pay their bills. Cool huh?