Definitions by dr.blade

beah 

To disagree with or to claim someone is full of shit and not worth listening to.
A derivative of the original "mmmbeah" as if one was thinking about what someone talking is saying, "hmmm..." and then pronouncing it false "yeah, whatever"

monkey1: "I think the last Kenny G album was his dopest yet and Eminem has so much talent, he was great in 8 Mile"

monkey2: "beah"

beah by dr.blade June 14, 2003