What exactly is an "Egg-sucking dog", and what is it's meaning?

[guitronics]

Hi: I've heard the expression "You Egg-Sucking Dog" many times, but nobody can tell me what it means.It is not even listed on ask jeeves.What is an Egg-Sucking dog, and why?

 

[cxim]

dog that steals eggs from the chicken house/ hen's nests.

had to break 'em of it once they start.

 

[gittyup]

Doesn't sound like a compliment.

 

[bigd480]

man if ppl kept calling me an egg-sucking dog i'd be more worried abt why they were doing it than what it means...

 

[thereds]

Are you a girl?

That'd be nice if you were an egg sucking dog then.