prat ‧ fall /ˈprætfɔːl $ -fɒːl/ BrE AmE noun [countable]
[ Date: 1900-2000 ; Origin: prat 'buttocks' (16-20 centuries) + fall ]
1 . an embarrassing accident or mistake:
another one of the Vice-President’s pratfalls
2 . an act of falling down, especially when this is funny or embarrassing