Top Definition
A fucked up and censored way to say "mother fucker". It only sounds cool if you say it in your head.
"That muthaeffa stole my cat!"
"Shut up, muthaeffa befo' I pop a cap in yo ass!"
"omg that muthaeffa ttly pwnd u!!1"
by x-Adrian July 03, 2005

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.