small brush; has long handle; used to clean teeth
"I left my toothbrush in the sink, so please grab yours from the drawer before we brush our teeth."
slang for a mustache
"The old sailor was so full of himself that everyone started calling him Toothbrush because of his thick, bushy mustache."
A brush, used with toothpaste, for cleaning the teeth.
"I left my toothbrush in the sink after I finished brushing my teeth before bed."
To clean or scrub with a toothbrush.
"I forgot to put my toothpaste on, so I had to use my finger to scrub off the food stuck between my teeth instead of brushing properly."