A person, normally a woman, with man-made hair color or colors, specifically pink or purple. Also can describe a person who changes his or her hair color regularly.
After Nymphadora Tonks from Harry Potter.
Nicole has become quite the tonks with those pink streaks in her hair.
by patricksalland January 25, 2008
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Noun

1 Violent masturbation session, particularly when depressed or hungry.

2 Vigorous post-workout masturbation in any gym's changing room or showers.

Verb

To bring ones' self or another male to orgasm following, or sometimes during, a workout in the gym
- "I've really worked up a sweat on the treadmill, I'm gonna go tonk in the

showers while my hands are still naturally lubed up".

- "Alright mate, fancy a quick tonk to relax after pumping these weights?" (N.b:

the verb "to pump" is often used as a double entendre as it can refer to both

weight-lifting and intense masturbation, hence rendering superfluous the use

of the actual word "tonk").

- "God, I hate having to clean these showers. So many guys tonk themselves

silly after they've finished working out, some of them leave a right mess!".
by Slapmeharder June 24, 2014
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Nickname for someone, usually a woman, that changes their hair or other parts of themselves regularly.
char's a bit of a tonks tbh
by charmundy August 09, 2008
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'Street' slang for muscular and built, usually used to describe people with large arms.
'Yo isn't Jaspreet Sidhu enormously hench?
'I think 'Tonk' is a much better word for it.
by Ymm. May 08, 2011
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A word used to replace 'klutz' (or 'clutz'). It has the same definition of being a clumsy person and is derived from the character of Nymphadora Tonks in the Harry Potter books who was "dead clumsy".
Sister: *walks into supermarket and knocks over a shelf of canned soups* "Crap! I'm sorry.
Brother: *sighs* "You're such a tonks."
by Rina Lam October 12, 2011
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A game based on gin rummy for three to six players. Hands are won with three to four of a kind and runs. Also by doubling up and going low. It was made up by the african american community but it has recently spread into certain pockets of white suburbs.
I lost 7 bucks playing tonks the other day.

Tonks is such a nigger game.

Euchre and tonks.
by Quintuple Eagle Eye July 23, 2011
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