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 28, 2006
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
It means u can suck or pull your dick (men)
Phoebe:hey Preston can u toot your horn
Preston:yes babe (bends over pulls/sucks dick )
Phoebe:such a show off u can't toot your own horn
by Fergie loves P.b March 24, 2017