Signifies "I am going to". A new wave craze popularized by Strong Bad, but with unknown origins. Field reporters place the extent of it's spread past Outer Mongolia.
by stevie September 19, 2003
Get the I'mamug. short for "I'm going to"
by Dawn June 15, 2002
Get the I'mamug. Contraction of "I'm gonna," itself a contraction of "I am going to." A common element in Ebonics dialogue.
by Carl Willis October 31, 2005
Get the I'mamug. by Yammmmmmm November 30, 2010
Get the I'mamug. Used to express a strong, often visceral, reaction to surprising information, events, etc. The term can be used in both positive and negative contexts.
by thaibebe July 12, 2009
Get the I'ma spitmug. 