Legolas: "Extended warranty? How could I lose?"
Gorn & Gimli:
or
Gimli: "You nancy man, thinking you have it hard 'cos you lost your hand; My Jaw fell off!
or
Gandalf: "You know, if you ever gave me a good solid punch then I might stop uncloaking; but all you ever do is stand there looking glum!"
or
The gang realised that Éomer had lied to them; Saruman was not in fact handing out free ice-cream.