To act in an inept, clumsy or inexpert manner; to make mistakes.
To boom, as a Eurasian bittern.
To buzz, as a fly.
A bumble-bee.
A confusion; a jumble.
The Eurasian bittern.
To understand wrongly, taking one thing or person for another.
An error; a blunder.
A pitch which was intended to be pitched in a hard-to-hit location, but instead ends up in an easy-to-hit place.