B-stash - a B-stash is a girl named something like Betty or Bella who

a B-stash is a girl named something like Betty or Bella who has a moustache so thick it could be a weapon.

My neighbor is a B-stash. She fights with her moustache.

I think my teacher is a B-stash. She has a moustache and a scowl.

My cousin dated a B-stash. He’s never coming back.