Another name for the drug DMT (dimethyltryptamine), an extreme psychedelic tryptamine. It is a crystalline solid at room temperature and can be smoked, injected or taken orally with an MAOI. It gives you an extreme high but only lasts for about an hour, hence the nickname.

Professor Alan Watts described the effects of DMT as "Load universe into cannon. Aim at brain. Fire."
"I had some businessman's trip earlier today."
"Yeah? Why aren't you still rolling?"
"It only lasts an hour dude."
by Meredith Engel November 13, 2007
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A person who is more concerned with his product or passion to worry about how to make money. First coined by Stephen Colbert to describe Brian Greene, a theoretical physicist, and his organization, World Science U.
Stephen: "Does this cost anything?"
Brian: "No it's free."
Stephen: "How does the university make its money? Off the football team?"
Brian: "That's a good question. I don't know, I don't think about those things. I just want to get good material out there to the world."
Stephen: "You're a theoretical physicist and a theoretical businessman!"
by bernhot February 19, 2014
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When the hair on your shins stops growing between your ankle and halfway up your shin from excessive work sock wearing.
Divesh has no hair on the bottom half of his shin, he has such bad businessman shin!
by Mealie July 5, 2014
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A trip on Dimethyltryptamine or the less commonly used 5-Methoxy-Dimethyltryptamine. DMT is widely regarded as the most intense psychedelic experience attainable through the use of drugs. Many users experience religious or philosophical epiphanies during a trip.

DMT is named The Businessman's Lunch or The Businessman's Trip because it fits neatly within a typical lunch break for a soulless cubicle-slave (corporate extortionist executives rarely limit themselves to an hour long lunch break, so they have the freedom to use drugs with significantly longer durations). Trips last up to an hour, but can be as short as twenty to thirty minutes. Several experiences with DMT are detailed in Alexander shulgin's book Tryptamines I Have Known and Loved.

Users should be wary, the effects hit the brain within a matter of seconds and quickly lead to a near-catatonic state. Make sure you have a friend nearby to make sure you don't drop the bowl or the lighter in your lap.
1: What if this is all just a ride, dude?
2: Why are you talking like that? Why were you in the bathroom for so long?
1: I just grabbed a quick Businessman's Lunch
by kickflipthecat September 23, 2007
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Hunny, have you finished ironing my pants? I'm Japanese businessmaning it over here.
by Falkrey June 23, 2010
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A male member of the business class

that has been reduced in stature
to the level of a shrew,
or one who is henpecked;
not to be confused with a shrewd one.

Abbr: shrew'd
"That Wally was a shrewed businessman!"

"Yup, built hisself quite a empyre!"
by Healing Practitioner17b June 17, 2009
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A well-dressed middle aged man who drives a fancy car and always takes the stairs instead of the elevator because elevators are for lazy people and he's a working man. Probably a Trump supporter. Probably not actually as great as he thinks he his (or as rich).
Ugh, Steve is such a pretentious businessman. He always rolls his eyes at me when I choose to take the elevator instead of the stairs.
by Pastel Claire July 27, 2017
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