bonnie Brillo, n. — Green’s Dictionary of Slang

bonnie Brillo n.

[proper name Bonnie, with implications of domestic cheeriness + Brillo, the scouring pad]

(US campus) one who is obsessively neat and tidy.

1989

P. Munro Sl. U. 42: There is not a speck of dust in the living room. Bonnie brillo must’ve cleaned today.