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A type of sexuality where one person being so deep in love or obsession can only be attracted to/aroused by a single person not even other men, or, for that matter, women. Not even porn can do it for them, unless his/ her lover is in the porn. If the lover changes gender, he/she will still be hot for them.

Sometimes it gets to the point where he/she becomes a Stalker with a Crush or something similar.
He has a single target sexuality. He a total yuna-sexual
by Theamazinggeek April 18, 2018
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Jul 31 Word of the Day
(noun) A person who sits on the front porch and intimidates, says negative things, or otherwise makes things unpleasant for those nearby.
The boys walked past the house of old man Thompson, the neighborhood porch dick, who always assumed they were up to no good.
by bigweaseldaddy March 08, 2015
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