Beer Yapper Trapper Share definition Flag When the usually quiet guy has a few too many drinks, has you cornered and won't shut the fuck up! Married reserved man George is generally so quiet and today he told me that he has 20k in the bank and likes dick! Wot a Beer Yapper Trapper! Beer Yapper Trapper by Tsupreme January 4, 2012 Get the Beer Yapper Trapper mug.