A texting acronym for: Biggest Oof Of All Time. In other words, an expression used to describe great shock.
Person A: Hey! Did you hear, Jessica cheated on Mark and he sent out all her nudes.
Person B: No way, BOOAT!💀
Person B: No way, BOOAT!💀
by Sugar Mama Big Chungo February 25, 2019
Get the BOOATmug.