Procure por qualquer palavra, como thot:
 
1.
An exhaust system that allows the exhaust gas to exit, while reducing back pressure. They use larger diameter
pipe than standard pipes.
"I just put catbacks on my Mustang, it's going to beast ass on all those civics and 'yotas out there."
por DKbikes 27 de Outubro de 2007
 
2.
large tip to an exhaust to release pressure build up from the car's gas.
The new catback i got for my tC will rape the other guy's mustang who also defined catback
por tCDanny 22 de Dezembro de 2009
 
3.
Another term for Vagina, refering to intercourse.
Son- Man dad, I'm so bored.

Dad- Well get your ass out of the house and go get you some cat back.
por Marshal Clark 12 de Março de 2008