a cute petname given to someone who is very sleepy.
Valerie: I'm so tired. ::yawn:: I think I might just go to bed.
Renan: Ok pillowpants, I'll join in a few minutes.
The little troll that parents put into their daughters pussy that keeps them from having sex. If a penis enters her vagina, pillowpants will bite it off. Pillowpants is peed out on her 21st birthday.
I cant wait for pillowpants to be gone so that I can rail the shit out of my girlfriend!!!