look up any word, like blumpkin:
 
1.
male ejaculation in the hair of a female
He missed her mouth and ejaculated in her red hair giving her an immediate spermanent.
by Scott August 25, 2003
 
2.
Giving your girl a little "hairstyling help" at the of a "romantic encounter"
Every morning, Jim and John would give Kathy and Amy fresh new spermanents.
by Bri May 15, 2003
 
3.
When one's actions lead to a permanent, unpleasant, stain.
OH CRAP! THAT STAIN IS GOING TO BE SPERMANENT!
by air4ever January 02, 2011