When one has "followed through" or just simply shit there underpants (undies).. shity undies="sundies!"
"Oh fuck no!, ive just farted and shit my fuckin myself! Im gonna have to go change these fuckin sundies!"
by ian "salty sea dog" evans September 5, 2007
oral pleasure in which you grab the persons hair and ejaculate into their mouths till it spews out the sides and gets in their hair
by candre04 November 2, 2017