Definitions by Theonethatlikesharrypotter.

BASMF 

Lucius Malfoy.

Badass Sexy Mother-fucker.

A term used to describe people who are not only badass but who are also sexy.

This term could also loosely apply to Bellatrix Lestrange.

I wouldn't do that if I were you. The BASMF (meaning Lucius Malfoy) will come after you.

BASMF by Theonethatlikesharrypotter. March 29, 2011