round mouth 

The shape your mouth makes when it's go a cock in it; a cock sucker. A phrase commonly heard on the Bubba the Love Sponge Show - Sirius satellite radio on Howard 101.

That guy was such a jerk that he should be a candidate for round mouth of the day.

Hey man, why are you trying to fag me out all the time. You're such a round mouth.

round mouth by Roundy February 22, 2008

Round Mouth 

A cock sucker
Gay
Fag

Look at that fuckin round mouth

Round Mouth by PorkChopSandwiches February 28, 2008

round mouth 

A description of feminine facial features or expressions on a man.

Hey do you know Joe? He didn't get that round mouth from eating square meals.

round mouth by Mr. Moo Bovine August 24, 2007

Round mouth 

noun. Term used to describe a person who sucks dick. Describes the shape of their mouth while sucking dick.

Look at Joe kissing the bosses ass.
Yeah.....he's such a round mouth.

Round mouth by The Ultimate Ranger February 7, 2009

round mouth 

a homosexual

That guy Roger is a real round mouth.

round mouth by skettyjoe November 14, 2013

round mouth 

The lower mouth, which does most of the talking after the upper mouth is fed too many gas-inducing foods.

Woops, there goes old round mouth talking up a storm again. (cabbage rolls last night).

round mouth by Tom Simon December 1, 2006

Rhonda Round Mouth 

Rhonda Round Mouth does not refer to any specific individual. Rather, Rhonda Round Mouth is a slang term which may be used, at will, to reference any female that is known to be a frequent provider of fellatio. The term Rhonda Round Mouth implies that the individual provides so much oral sex that their mouth is literally in a constant state of being open and round because of the constant inhalation of cock.

Bill: Hey dude have you heard about Sonja in the accounting office?
Roger: Yea, you mean Rhonda Round Mouth.
Bill: That's the one!

Rhonda Round Mouth by Eaton Holgoode March 12, 2014