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The initial phase in a new relationship when you are testing it for bugs or glitches.
How is it going with Mark? Will you commit?

Dunno... I am beta-testing him?
by rperazag May 12, 2010
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The act of having sex with someone under the age of 16 and over 11
Derek was indulging in beta testing last week, we should report him to the authorities!
by 69cooldad420 May 21, 2019
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