Toot (verb)

1. Make a short, sharp, high-pitched sound, as on a horn.
2. Make a noise, such as a whistle or honk, to signal or attract attention.
3. To boast or brag about oneself or one's achievements.

Origin:

From middle english tooten, from old english tōtian, from proto-germanic *tōtōną ("to blow, toot"), from proto-indo-european *dew- ("to blo.w")

Examples:

1. He tooted his horn to get the driver's attention.
2. The train tooted its whistle as it passed by.
3. The boat tooted its horn as it passed under the bridge.
4. He likes to toot his own horn and brag about his accomplishments.
5. She tooted her own horn when she got the promotion.