blood in

In real, traceable use. Part of the curated seed collection; community review is coming.

Meaning · English

To join a criminal gang by committing an act of violence (often murder) as an initiation.

Register: slang

Where it’s used: Used American English
Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “blood in” mean?

To join a criminal gang by committing an act of violence (often murder) as an initiation.

Is “blood in” formal or informal?

blood in is generally slang.