Choosh is a slang word that originated in Melbourne, Australia. It is typically exclaimed when someone makes any sort of outrageous claim or offside comment. Most commonly when someone is exaggerating a story in order to self inflate their ego.
Adam: Boys, my jacket literally got me 12 girls' numbers at pub last night.
Hassan: Choosh! It was only 1 girl and she left to Becky's after anyways.
Hassan: Choosh! It was only 1 girl and she left to Becky's after anyways.
by Imawordwizard August 02, 2019