The optimal method of doing something. It's the best possible plan/decision for the given situation; a good idea. It's the move.
Smuggling drinks into the movie theater is the beta.

"Damn Chris, these hot dogs really are the beta."

"Fuck bro, downing half a bottle of vodka the night before an exam was not the beta."
by dav32702 January 16, 2019
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A biological honor society found at many universities that can easily be confused with a frat.
A: What frat are you in again?
B: Beta Beta Beta
A: Oh shit! We've raged with them before! Where's your house at?
by Canigetthehoya? May 21, 2017
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A beta is a male who, instead of being alpha and manning up, completely bitches out. Can apply to many situations, but often refers to scenarios with women.
Guy 1: Bro, hook me up with that girl's friend
Guy 2: Fuck that. I'm going to double up with both of them. Stop being such a beta.
by TLSForever July 15, 2011
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A beta version of a program, game etc... is an unfinished version released to either the public a select few or whoever signs up to beta test it for bugs or glitches. A common mistake people make when talking about for exampl 'Msn beta' is they say 'better' instead of beta.
Windows is not exactly a beta test because instead of testing all the numerous bugs in the operating system they sell them :P.
by Theodore Robson January 9, 2006
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Beta is climbing jargon that designates information about a climb. In rock climbing this may include information about a climb's difficulty, crux, style, length, quality of rock, ease to protect, required equipment, and specific information about hand or foot holds. For alpine climbs, beta may include information about the length and difficulty of the approach, availability of water on the climb and the approach, ease of exiting the route before completing it, descent information, perhaps even useful logistic information for climbs in foreign countries.
"Hey the crux of that route is intense, you want some beta?"
by Cygnus_43 September 18, 2018
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1. A Beta is a possition in a wolf pack, lower than the Alpha but higher ranking then the Omega.
2. Mostly used in fanfictions, a Beta is someone who can mate with anyone else, Alpha, Beta, or Omega.
1. The wolf in the Beta position is not allowed to run the pack as it is not the alpha.
2. I am a Beta and I really like that (Beta, Omega, or Alpha) over there, I'm going to go talk to them.
by ASLwasabi May 26, 2017
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In Indian culture, it's used by usually aunty-ji's (older women) towards younger kids for almost any reason. Seriously.
Aunty-Ji: Beta, come over here!
Teen: What?
Aunty-Ji: You need to have lots of food so you can grow taller!
Teen: I'm already done with my growth spurt, Aunty. I'm also really full.

Aunty-Ji: Not on my watch!

*shoves some dosa down the teen's mouth*
by reehannaa May 25, 2017
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