Slang for a lesbian murderer who kills many men in order to hoard all the women for herself. Her preferred method of killing is stealing the clavicle straight out of the chest and bleeding out the man by hanging him upside down by his feet. If you see an Ilsa, approach with caution.
Chadwick: I barely survived an Ilsa attack
Ilsa (lurking in corner): boobs
Slang for having massive balls and a really cool yoda hat
That dude has huge balls. He must be colie!