What is Tooting One's Horn?
1.
Tooting one's horn refers to the act of inflating your ego through self praise of high regard.
Also referred to by gangstas as "bigging yourself up."
"Oh I say Winston is certainly tooting his horn after winning that game of polo."
"It certainly isn't a very charming attitude to be tooting one's horn after succeeding in fornicating a fine young lady."
See