down low

• down-low
• downlow

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down low (countable and uncountable, plural down lows)

1. A state of secrecy.

   I'll tell you, but keep it on the down low.

2. (sexuality) The state of being a man who secretly sleeps with people other than his partner.
3. (African-American Vernacular, sexuality) The state of being a man who secretly sleeps with other men.
   • 2001 April 3, Linda Villarosa, “AIDS Education Is Aimed 'Down Low'”, in The New York times‎, page 5:

     I sleep with men, but I am not bisexual, and I am certainly not gay. I am not going to your clinics, I am not going to read your brochures, I am not going to get tested. I assure you that none of the brothers on the down low like me are paying the least bit of attention to anything you have to say.

4. (African-American Vernacular, sexuality) A man who secretly sleeps with other men.
   • 2014, Susan Kuklin, Beyond Magenta: Transgender Teens Speak Out, Humen: Candlewick Press, published 2015, →ISBN, →LCCN, Mariah: The Real Deal, page 90:

     I think it must be hard for trans men who like guys. Most gay guys don't like vaginas. […] The guys I'm interested in are down-lows, DLs.

• In all senses except the last, always preceded by on the.

down low (comparative more down low, superlative most down low)

1. (of a person) Undercover or lying about one's identity.
2. (African-American Vernacular, of a man) Purporting to be heterosexual while engaged in sex with men.

• DL

• low-down, lowdown