Any "thing which must not be spoken of".
Omg..I have salami, but it's a toothbrush.
by PG May 28, 2004
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When a member of the male sex tucks his genitals between his legs then with perferably groomed or ungroomed pubic hair rubs them against a member of the opposite sex. Can also be performed to the face of partner as well.
Zach had just tucked his sack back to give Tya the old toothbrush when he was interrupted by a phone call. To this unpleasentry he told Tya

"Baby I'll show you the toothbrush after this call."
by Mr. Mayonasse1 October 20, 2009
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What you use to clean your teeth.
Something tramps don’t use.
Harry:Have you got a spare toothbrush for me

Jill:Ye
Harry:Thankssss
by Tommyboyyy June 25, 2019
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The Toothbrush is a sexual act wherein a man after recieving head, cums on the head givers teeth and proceeds to move back a forth in a teeth brushing formation with either his penis or his finger.
Jen felt no clean feeling after Dan gave her the toothbrush.
by ThE DeNtISt March 10, 2006
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A person one may have sexual relations with over a short period of time, before disposing of them after 2-3 months, in the same way as one may dispose of a manual toothbrush.
"He's just a toothbrush, I'll find another one."

"I need a new toothbrush."
by RG1993 July 23, 2015
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An act commonly conducted by door to door sales people, especially frequented in the kitchen fitting world (Space Kitchens are innovators in this field). This usually happens as a direct result of rejecting their sales proposal. The indignant and humiliated rep will then feel the need to ask to use the home owners bath room and secretly urinate on the owners tooth brush or insert it up their anal passage before replacing it
See definition of Toothbrushing
by msonning April 15, 2010
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