ConnectWord · Ages 12-30 · In use
boo
An affectionate word for a boyfriend, girlfriend or crush. "Boo'd up" means being in a relationship.
Can't hang Friday, she's with her boo.
For parents and educators
Harmless.
Where it came from
In use since the late 1980s. Possibly from the French "beau".
Also heard as
my boo, boo'd up
Sources