Definitions by BOBSsyyy!!!

Trin 

a jerk who lies alot. he never cares about anyone and never tells the truth. Hes a coward who doesn't admit what he has done wrong.

You: Dude i dont like him
Your friend: Hes such a "trin."

Another example:
My boyfriend's such a trin.

Trin by BOBSsyyy!!! November 14, 2010