Flop is synonymous to Akshay Kumar.
Akshay Kumar holds the record of maximum number of 80 Flops. Hence he is the perfect definition of flop.

a sudden illness experienced on January 20, 2021 when you can’t go into work because you must celebrate the the swearing in of President Joe Biden & Vice-President Kamala Harris signaling the end of the 1460 day hostage situation otherwise known as the Trump Presidency & the defeat of the Potatriot Uprising of January 6, 2021.

Something that fails miserably

To not achieve wanted results or to fail miserably

When someone bails on you at the last minute.

when a basketball player falls unnecessarily, after little or no contact

to cancel plans with your friends, family, bf/gf at the last minute