The opposite of an alpha male, someone who seeks acceptance from a woman and is needy.
Platter: You begged her to go out with you and said you were sorry a bunch of times?

Sherlock: Yeah I went beta on her, at first I was alpha but later I became beta after she rejected me
by the AK July 11, 2008
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A piece of uncompleted software; a software prototype.
"We are releasing Version 0.8; our latest beta."
by FomaTK February 22, 2005
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Beings of Extra Terrestrial origin Adversary to human race. Official name for the grotesque alien creatures of the Muv Luv visual novel/anime franchise. Identification tips of most BETA types: multiple limbs on lower body, phallic head, giant mouth with only molars. All other alien organisms associated with identified BETAs are their more dangerous cousins.

They can and will consume everything in their path if not stopped by 36MM chaingun fire. Don't panic if you think this description fits some humans you know.
A: You're such a dickhead for helping yourself to my fridge.
B: I'm practicing my BETA imitation routine! (bites A)
by John Doe sports version March 25, 2013
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In Hindi, refers to a child.
Bob: ouch, mom. i hurt my foot.
Bob's mom: aaawwww beta, it's okay!!!!
by beenieman October 29, 2005
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in reference to beta max, which was a lesser version of VHS in the 70's & 80's
she needs to get her hair done, that shit looks beta!
by brooklynne February 9, 2009
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A japanese fighting fish. The males, when put in tanks together flare their gills and fight until one dies.
My beta will kick your beta's ass!
by Lazy Time Waster December 17, 2004
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Software so poorly written, the creators deny that it is in its final form.
Windows is not beta because the creators do not try to hide their poorly written code - they sell it.
by Jon August 11, 2004
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