bob under

1. 1.

   disappear suddenly, as if under the surface of a body of water

   Broadervanish

Questions about bob under

What does bob under mean?

bob under means "disappear suddenly, as if under the surface of a body of water".

Is bob under a common word?

bob under is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.