illbet "Doubt it" Insincere agreement "Like that's going to happen" Skeptic's comeback "Uh-huh, yeah, sure" "Ri-i-i-ight ..." "Yeah, yeah!" "Yeah, su-u-ure" "Sure, tell me another one" "No fooling" "Doesn't surprise me a bit!" Skeptic's response "Yeah, right!" "A likely story!" 'Yeah, right!' "As if!" Skeptical comment "Yeah, sure" Skeptic's remark "Not likely!" ''Yeah, right!'' Skeptical response