pratfall

pratfall [prat-fol]
sustantivo
1Revés, batacazo, porrazo.

pratfall [ˈprætfɔːl] (very_informal)
noun
especially (US) culada; (very_informal) (f) caída de culo; (f) (very_informal) (blunder) metedura de pata; (f) (informal)
one person's pratfall can be the source of laughter for others he was just waiting for the porr little rich girl to take a pratfall