Verb
(transitive) To sweep up (a mess) thoroughly with a broom.
The janitor broomed up the shards of glass.
(dated, of a length of wood) To strike (a length of wood) repeatedly such that the top of it becomes frayed and worn.
Most of the fence-posts had been broomed up so badly they weren't usable.
(dated, of an infected tree) To show signs of a witch’s broom (mistletoe) infection; to have the witch's broom infection spread and worsen.
I knew the yew tree was done for when the infection broomed up its branches.