1. Officially, "Tomahawk is a service and leadership honor society" at Purdue University.

However, they do no useful service nor leadership, as they are essentially regarded as stupid and pointless. The general campus consensus is that they are extremely disliked for no apparent reason (due to being a useless club), if a student has even heard of them at all.

2. Synonymous with "lack of integrity," despite their official banner.
-What the hell are the Tomahawks doing over there, I didn't even know they did anything.

-Just pull the cup already, don't be a tomahawk. (In pong)
by Pretty Much The Truth November 11, 2012
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To swipe one's index and middle finger in one's sweaty ass crack or ball-bag crack and procede to smear it in an unsuspecting victims nose. Usually accompanied by tribal hoots and dancing.
I tomahawked Chatzo while he was talking to his teacher and he said he could smell my sweaty coin purse for 10 mins.
by dirty miagi February 15, 2004
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A gay group on myspace. Who think they are cool but are just a bunch of gay kids trying to be funny. There just a bunch of faggets who all suck each others dicks. Because there so "HARDCORE."
Wild BoreTOMAHAWK
Wild BearTOMAHAWK
Ect....
by Anomi June 11, 2008
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The traditional tomahawk is accomplished by simply placing your index finger and middle finger horizantally under someone's nose or very close to their notrils. This is suppose to resemble the mature act of letting someone smell your fingers after you fingered a lady. Variations of the tomahawk include the tomaspock (placing someone's nose in between the v-part of the long-live-and-prosper hand gesture. Another variation includes the tomalock where a light-headlock is put on someone, but rather than putting your forearm under their chin, the tomahawk is applied to their nose.
You just got tomahawked.

You just got tomaspocked.

I'll put you in a tomalock.
by xrsss July 14, 2009
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A Native American who harbors prejudice and self-hate against his own people, and supports anti-Native American sentiment and laws.
I met a Native American living in Detroit, he told me that he thought we were all drunks and casino owners, and I called him what he is, a self-hating Uncle Tomahawk.
by Dan August 13, 2003
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the art, nay, the skill of jumping off the bed post and landing directly in a womans vagina, penis-first. the girl is usually in either the spread eagle or cincinatti bowtie, thus creating a blacksmiths iron table for the male to strike from above.
Bob got drunk last night and tried to blacksmith tomahawk his girl, but accidentally broke his penis on impact because he had no precise pipe-laying skills.
by -Quincy so nasty- October 11, 2007
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