When someone gives you the wrong name during the hook up stage or when a person uses a fake name to check into a hotel so that their partner won't find out.
"Dude, Amy said that the guy last night smithed her"
Or, "Oh great, another smith"
by astrosquibb June 02, 2011

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A lot like pounds, kilograms, liters, inches, or centimeters, Smiths is a measure for units of fun in a classroom setting. It is used to rate a classes' level of fun. Zero Smiths would be a unbearably boring class, while ten Smiths would be an extremely fun class.
Example: " I would rate the physics class I'm in right now ten Smiths. It's a really fun, easy class."
by One_less_fool February 11, 2010

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One of the most popular last names, and if you go to an American school of any kind, I promise you, you'll find at least five kids with that last name.
Person One: Man my girl is so exotic!

Person Two: No dude, her last name is Smith!"

Person One: Whatever man, it's not her fault her dad is part of the KKK
by reallegend27 February 15, 2017

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atracted to young men while naked

smith got gangbanged by 10 indian men
brayden: i was in footscray last night,scariest night ever
dave: what did you nearly get smithed?
by admiral akbar the 5th August 30, 2011

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See Aerosmith
Go-ing dooooooooooooown!
by Gumba Gumba April 10, 2004

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To scratch or rub the pubic or anal areas with one's finger to obtain the scent for self analysis, also called the 'scratch and sniff.' It is used to determine the cleanliness of the area.
"Yo dude! did Sam just...?"
"Yep, he smithed his asshole... again"
by RSLancaster November 17, 2009

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adjective. Some who likes to agravate the people who are b.r.o.w.n. (see b.r.o.w.n.) The s.m.i.t.h. are usually people who try to mask their homosexuality by trying to spot any fault in the b.r.o.w.n. to get rid of any attention as to not reveal their differance. The s.m.i.t.h. usually go shopping every three to four days for miscellanious things, often at spencers gifts. S.m.i.t.h. people often get their s.m.i.t.h.n.e.s.s. by a family member, usually the father since only men can be s.m.i.t.h.
You shouldn't hang around that guy, I think he is s.m.i.t.h.!
by JuBr October 09, 2006

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