A person that, when speaking, sounds as if they have a pillow in their mouth. Pillow talkers are more commonly referred to as "retards", or (on the PC side of things) having "down syndrome".
dude, did you hear how that pillow talker ordered his Starbucks? good thing there was another retard behind the counter to understand that jibberish!
by Hilarious Luke November 18, 2010