look up any word, like smh:
 
1.
When you find someone with hair the colour of rust (redhead) extremely attractive.
That Ron Weasley is H-O-T, hot.

Mmm, rust lust.
by superkally June 01, 2011
 
2.
The term for the love of ginger folk. There's just something a little bit special about a hair type that may soon be extinct!
person 1: ohhh Prince Harry!!!
person 2: YOU HAVE RUST LUST!!!
by rusterluster June 02, 2011