Meaning

• The noise of a horn or whistle.

  "He gave a little toot of the horn, to get their attention."

• (by extension) A fart; flatus.

• Cocaine.

• A portion of cocaine that a person snorts.

• A spree of drunkness.

• (pronounced /tʊt/) Rubbish; tat.

  "I'm not paying fifty pounds for this load of old toot!"

• A message on the social networking software Mastodon.

Meaning

• To stand out, or be prominent.

• To peep; to look narrowly.

• To see; to spy.

• To flatulate.

• To make the sound of a horn or whistle.

• To cause a horn or whistle to make its sound.

• To go on a drinking binge.

• To snort (a recreational drug).

• To post a message on a Mastodon instance (a self-hosted version of the networking software).