1.a powerful insult

2.often used to insult "a fat ass whale blubber looking piece of shit"

3. also can be used as an insult for smart ass siblings.
little brother: You're ugly

older brother: It's not my fault mom and dad said themself's that you're an inspiration for birth control you slimy little fuck face.

or...

George Bush is an inspiration for birth control.
by mailbox from NH March 23, 2009