The act of bragging and or lyiing in conversations about things that one posesses to impress people, a person who is usually perpin, has nothing but a wide imagination and a desire to fit into the "in crowd".
(Perpin')"Yeah I just bought a new 2011 Camaro" and I paid cash for it, but I took it back because the dealer didn't want to put 22" inch rims on it for me. "there he go perpin' again"
(Perpin') I just bought my girl a new platinum diamond chain for $7000.00 But I took it back because she was cheating on me. <---"Maaaan your lyiiing, this dude be perpin'!!!
(Perpin') Yeah I just got a 14k diamond gold grill, it cost me $15000.00 but I only wear it on special occasions. Maaaan..Quit Perpin'!!! you aint buy your girl NOTHING