- of or pertaining to men who secretly or discreetly have sex with other men: She once dated a down-low guy.
- on the down low,
- (of a man) secretly or discreetly engaging in sex with other men.
- secret; discreet: Okay I'll tell you, but keep it on the down-low.
Origin of down-low
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018