Ruffnut won't be any help, so Tuffnut turns to Barf and Belch.
RUFF: Look at his shoulders glisten in the sun. I bet he smells like sweat.
TUFF: Barf, Belch, you'll need to help with this one. Ruffnut's not up to it.
RUFF: Fish guts and sweat! The aroma of love..
BARF&BELCH: Urkp!