blow one’s own horn

blow (one's) own horn

To boast or brag about one's own abilities, skills, success, achievements, etc. I don't mean to blow my own horn, but this pasta sauce I made is quite delicious! I can't stand being around Marcus ever since his company became such a massive success. The guy just can't stop blowing his own horn!
See also: blow, horn, own
Farlex Dictionary of Idioms.

blow one’s own horn

and toot one’s own horn
tv. to brag. Gary sure likes to toot his own horn. Say something nice. I’m not one to blow my own horn.
See also: blow, horn, own
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • blow (one's) own horn
  • blow one's own horn
  • blow own horn
  • blow your own horn
  • blow your own trumpet
  • blow (one's) own trumpet
  • blow one's own horn/trumpet, to
  • on one's own account
  • at will
  • chew own tobacco