Forced, polite laughter in response to someone's poor attempt at telling a joke or funny story.
Rhymes with orange.
His off-color jokes at the dinner party were met with clorange from his polite dinner companions.
She really did not think her husband's dumb jokes were funny, but to placate him, she feigned enjoyment with clorange.
Origin: The word originated in McLean, VA by a local high school freshman in early 2009. (He was trying to come up with a word that rhymed with orange.)