Top definition
A baseball bat or similar weapon that can be used to 'beat the truth' out of someone.
"How did you find out where he was hiding his money?"

- "I just used some alabama truth serum"


- "I beat the shit outta' him with a baseball bat until he told me where the money was"
by gfdubya January 07, 2011
Get the mug
Get a Alabama truth serum mug for your grandma Yasemin.