Definition of blooper
noun
informal, chiefly North American 1an embarrassing error:he poked fun at his own tendency to utter bloopers a brief television or radio segment containing a humorous error, often collected with others for broadcast as a group:a selection of bloopers and outtakes from the evening
2 Baseball a weakly hit fly ball landing just beyond the reach of the infielders:a blooper over the shortstop’s head