1 definition by A Hart
(n.) a: one who is an acknowledged leader or chief proponent b: a person with knowledge or expertise c: a person who is the best at something.
Michael Jordan is arguably the basketball margooshio.
Jeff: I'm terrible at math
Jenny: you make me look like a math margooshio.
Jeff: I'm terrible at math
Jenny: you make me look like a math margooshio.
by A Hart March 24, 2009