Two Word Game

Buck Teeth

Crooked Teeth

Crooked Path

Narrow Path

Narrow Minded

Feeble Minded

Feeble Hearted

Cold Hearted

Cold Fish

Cold cuts.

Cold shoulder.

Round shoulder.

(Hey, Mike, that's kind of solipsistic :) )

Round worm

EDIT: Or is it roundworm? Okay, okay, round robin. It ate the worm.

Worm bait. (Guess you are right, Pompey Bum) but you are still my chum!

Fish bait (hence chum)