-A terd sucker is much worse than someone who eats shit because a terd sucker slowly consumes feces, giving him more time to be disdainful. In addition, sucking a terd is much more grotesque and disdainful than eating shit. Thus someone who eats shit might be a terd sucker but not necessarily, but a terd sucker is always at the very least someone who eats shit...a shiteater.
2. Watch out, look who just walked in to the party, Terd Sucker Supreme...the top terd sucker at this university...I really fuckin' hate that butt-fuck.