tren
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
Clipping of trenbolone (a steroid used to increase muscle growth).
Register: slang
Where it’s used:
Used
American English
Examples
While on "tren" (trenbolone acetate), one of the most potent steroids, [Tom] Powell couldn't keep a hard-on as long as he wanted. He had night sweats and nightmares.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “tren” mean?
Clipping of trenbolone (a steroid used to increase muscle growth).
Is “tren” formal or informal?
tren is generally slang.