March Madness
Definition
The annual NCAA Division I men's and women's basketball tournaments, held primarily in March, featuring single-elimination brackets with 68 teams each, renowned for dramatic upsets, buzzer-beaters, and nationwide bracket pools.
Informally, any period of frenzied excitement, chaos, or unpredictable competition, often likened to the high-stakes unpredictability of the tournament.
Examples
My March Madness bracket imploded faster than a poorly timed fast break, thanks to that 15-seed miracle.
During March Madness, the office coffee machine becomes ground zero for bracket trash talk and whispered side bets.
She picked her March Madness winners based on uniform colors alone, and now she's the undisputed oracle of upsets.
March Madness turned my quiet weekend into a scream-fest of allegiance-swapping and popcorn casualties.