Bra o’clock
The time of day when you take your bra off for the rest of the night and let “the girls” hang free.
“No, I can’t meet for drinks tonight, it’s already bra o’clock.”
Bra o’clock
When a woman decides she is home for the rest of the day/evening and removes her bra to be more comfortable.
“Nah I can’t go out tonight. It’s bra o’clock.”