S4E5: The Cleveland-Loretta Quagmire
Those are so his mannerisms.
Peter, what the hell are you doing? I'm not Peter, I'm Quagmire.
And I'm doing you, Loretta. What the hell?
Oh, You like that? Yeah. Hey!
Much better than Cleveland. Hey, Peter, knock it off!
Get you damn hands off me you son of A-- You like it dirty, don't you?