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2.
to point out positive truths about oneself
khortsarethenewjorts: partyczar, you toot your own horn when you use the catchphrase, "i'm awesome."

partyczar: fact.
by khortsarethenewjorts April 19, 2011
 
1.
To brag about one's own talents.
Joe: I am the greatest person on earth!
Bob: Don't toot your own horn, you ass.
by qxan September 27, 2006