1 definition by Official Webster Dictionary
"Fat Cappin" is another expression for lying. "Fat Cappin" is a popular slang word originating from York, Pennsylvania.
Jabari: Yo bro I got some bomb head from a 10 last night ya dig?
Dequavis: Nah quit playing bro you
Fat Cappin.
Dequavis: Nah quit playing bro you
Fat Cappin.
by Official Webster Dictionary July 16, 2019