“down low”
From the Urban Dictionary:
“downlow”
“Living on the downlow”
“Black community slang for black men secrect homosexual activity”
“Leroy’s wife found out he was living on the downlow when she tested positive for AIDS”
https://www.urbandictionary.com/define.php?term=downlow
“living on the down low” is different than “keeping it on the down low”...
two different meanings...