BEST. INSULT/COMEBACK. EVER.
Lily: I gave you one thing to do Marshall! One thing!
Marshall: One thing...really? So I guess that Gouda just walked itself right through the door, sliced itself up, and arranged itself in a perfect semi circle around not three, not four, but five different kinds of sturdy, cheese-bearing crackers?
Lily: You're a sturdy cheese-bearing cracker...