Tree jumper is prison slang for a sex offender — specifically the kind who commits offenses outdoors or ambushes victims.
Tree jumper is prison slang for a sex offender — specifically the kind who commits offenses outdoors or ambushes victims. In prison culture, sex offenders occupy the lowest rung of the informal hierarchy and face severe social consequences from other inmates. Terms like tree jumper are part of a broader vocabulary of dehumanizing insults used in that environment. It's not a neutral descriptor — it's a contemptuous label. Worth knowing if you're reading crime fiction, watching prison dramas, or researching carceral culture.
Once word got around that he was a tree jumper, protective custody was his only option on the wing.
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
See all Regional & Other slang on Slangora.
Browse all slang words starting with T.
(slang, derogatory, dated) A salesman in a shop; a shopman or clerk.
(US, derogatory, offensive, ethnic slur) An undocumented immigrant (typically Hispanic) in the United States.
(slang) A man who perceives himself as straight and is the aggressive top in a relationship between two men, especially in prison.
(slang) A van-dragger; a thief who takes part in van-dragging.
(prison slang) A sex offender.