take something from someone and add it to what you already have. (from prefix an-², and Latin nexum= tied). it is a verb.
I'm going to annex some toys from you!
by Khizar Caliphate October 8, 2021
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The cavity created by the hands placed close to mouth whilst sucking cock.
His cock was so big that I had to make a mouth annex.
by liveforaday January 28, 2016
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