Top definition
Flappybag (Noun)
1. The pouch of skin that contains the testes.
2. When anyone named Brandon exist, he is considered a Flappybag
3. When anyone named Robert exist, he is consider a Flappybag
"Damn! You kicked me right in the Flappybag"
"I know Uncle Flappybag, you're in the BMW club. You already told me."
"No I don't want to be under arrest, Uncle Flappybag"
by ..??.. September 12, 2014
Get the mug
Get a Flappybag mug for your boyfriend Vivek.