I can't believe G-Union wasted good money watching the first in this Undercover Brother series to begin with! He must not have an appreciation for Mandy Moore movies.
by diction July 15, 2003
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When one takes a dump onto a bed prior to engaging in sexual intercourse with one's partner on top of the soil without the partner knowing.
Henry: Dude, I'm about to get laid but I really need a shit. What shall I do?
Harry: Just be her Undercover Swedish Brother!
by yes!yes!yes! March 8, 2014
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A straight man who goes out and/or secretly has sex with men behind their girlfriends/wives back
My lax bro Kevis such an undercover brother, he stops by gay bars every night to hook up with dudes behind his girlfriend s back.
by lil leroy October 24, 2022
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