look up any word, like no soap...radio:
 
1.
The Term "Famous Lips" refers to a (usually a girl, but could be a guy)

1. person, who sucks a lot of dick.
2. a slut, or hooker/prostitute

it means your mouth is very well known, so you suck a lot of guys.

do not get this confused with pussy.
this is not pussy lips.
"Keep it up (like you even know how to stop)
Call me up if you think that you’ve had enough
I’ll show you two ways to bleed
If you just show me teeth
Under those famous lips of yours"

quoted from a band called "Four Year Strong", The song is called "Men are from Mars, Women are from Hell"
by Dane Style April 10, 2009
4 2