An exclamation used to describe one's overly enthusiastic response to an
everyday or mundane occurance. Also an example of a spontaneous retort or response to an attempted put-down or criticism.
(Origin: the
sound of turd as it splashes into the toilet
water)
Ethan-"Hey, Jennifer; have you seen my
keys?"
Jennifer-"Blooop!" (points to
keys in very obvious location on the
table)