in a moving vehicle: to closely follow someone in an aggressive manner in an attempt to pass them on the interstate or highway. Often times, the vehicle attempting to be passed is already exceeding the speed limit so the person doing the bertranding ends up looking like a dick

Girl I'm going 90 in a 65 and this car behind me is on my ass trying to pass me. She needs to stop her damn bertranding before I go off.

bertrand by laurelruf January 5, 2010

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Bertrand

The man behind the camera who always makes mistakes.

Evil Overlord "Hey! Stop it!"
Bertrand "Sorry."

Bertrand by Derpz May 4, 2015

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bertrand

a dirty, half nigger who constantly bitches about seemingly unimportant things, nobody enjoys the company of, and smells like dirty asshole.

Dude, i just shit a bertrand.

bertrand by Goldennn November 16, 2010

bertrand

an extremely fat homo who can consume 2,000 pounds of bacon at once. he enjoys making videos attempting to look cool by dancing with his pants down.

should not play soccer without a shirt (this can save young girls lives since they will not need to see his sweaty fat rolls)

thinks he can someday have sex but is toooo fat to do so.

OMG that kid is such a bertrand, did you notice how the ground shook when he played jump rope??!?!?!?!?!!?

bertrand by Shorty747 February 16, 2008

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Bertrand

When a golfer hits a very good approach shot on the first hole. It usually results in a birdie or match play victory.

Marc Bertrand me on the first, but I won the second and third to take a 1up lead.

Bertrand by JQ Irish December 19, 2021

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