Definify.com
Definition 2025
YP
YP
English
Noun
YP (plural YPs)
-  (Britain) Initialism of young prisoner.
-  2011, Charles Bronson, Loonyology: The Autobiography of Britain's Most Notorious Prisoner
- First it was an adult mixed prison, then a female borstal. Now it's a long-term secure jail for YPs, mostly lifers.
 
 
-  2011, Charles Bronson, Loonyology: The Autobiography of Britain's Most Notorious Prisoner
Turkish
Initialism
YP
- (politics) Initialism of Yurt Partisi (Homeland Party).