Definitions by Canisius High School

mcshea bomb 

An emergency Instagram post regarding the closure of canisius high school due to hazardous snow conditions, often the greatest source of happiness a canisius student experiences.

Jimmy: yo joe check this out
Joe: what?
Jimmy: A mcshea bomb just dropped
Joe: LETS GOOOOOOOOOOOO

mcshea bomb by Canisius High School February 4, 2022