Keeping quiet, not telling or acting out. In the gay community, black males who are tricking, looking for anal or oral sex.
Tyrone and Shi'Thead appeared like thugs on the street, but in the bedroom they experiemented with every hole they had. They kept it on the down low, though.
by Richard Black March 19, 2005
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See also downlow or "on the downlow"

1. A secret to be kept quiet, from others especially friends or family.

2. The act of homosexual relations between black men. Often unprotected, and/or anonymous sex. Most men do not speak of the sex as they are getting together for a night of poker or other "manly" sport away from their wives or girlfriends.
Jen recently found out she had chlamydia, and she got it from her man Roger. Turns out Rog is on the Downlow with his poker buddies!
by Bria April 22, 2004
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a straight man that enjoys having sexual intercourse with other men in secret. Mostly hidden.
Them boys are to close they look like they on the down low.
by Mr. X Anderson November 30, 2011
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A man, who for all intents and purposes, is straight, however once in a while likes to engage in gay sex.
Stephen would never mess around with a guy!

Yeah, whatever, he's on the down-low!
by G-Man June 8, 2004
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To keep it quiet, a secret, low profile,
hey man just keep this shit on the down low aight, i dont want mah gurl findin' out
by pimpette October 11, 2003
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the act of keeping a secret, usually refering to homosexual activity
by eboniprince April 30, 2003
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To keep a homosexual lifestyle hidden from others.
My brother had been on down low for two years before his we found out he was gay.
by recognize June 19, 2005
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