An attractive French girl or woman.
Oiseaux is French for bird and bird is a commonly used slang word for attractive women for in the UK.
Person 1: Oh so you've been away to France?
Person 2: Yeah, it was great!
Person 1: Find a Oiseaux?
Person 2: Nah, sadly not.
The French word for "Bird"
It hits every vowel in the French alphabet yet manages to be pronounced with only two goddamn syllables.
"Wazo"
"Au Chant Des Oiseaux" - The song of the birds.