Etymology From tooth + brush. Compare Saterland Frisian Tuskebäärsel (“toothbrush”), West Frisian toskboarstel (“toothbrush”), Dutch tandenborstel (“toothbrush”), German Zahnbürste (“toothbrush”), Danish tandbørste (“toothbrush”), Swedish tandborste (“toothbrush”), Icelandic tannbursti (“toothbrush”).
1
To clean or scrub with a toothbrush.
In Rome, a restorer toothbrushed away some candle-grime over God's Sistine Chapel eye to reveal an eyebrow of Groucho Marx proportion.1997, Matthew Remski, Dying for Veronica:
I toothbrushed the stale rum stink from my mouth and stared at myself in the cabinet mirror.2004, Iceberg Slim, Trick Baby: