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1.
(noun)a stray piece of lint or fuzz that can accumulate on sweaters, blankets, socks, or sweatshirts.
plural form pilli
"Hey Callie, you have a pillis on your sweater."
by Maggie P. January 31, 2008
 
2.
1. The flubber on your stomach.
2. Another word for a fat stomach.
1. You have a big pilli
by Olivia September 06, 2003