2 definitions by selenology

Top Definition
The little curls of eraser debris that litter the writing surface after a bout of erasing. So called because they resemble tiny worms.
Student: Teacher, can I switch desks? This one is covered with eraser worms!

Teacher: No, but you can clean it.

Student: How?

Teacher: Find a way.
by selenology May 27, 2009
When the entering cars merge one by one into each space between the cars already on the road, like the notches on a zipper.

First used by Jon Stewart on The Daily Show on 8/25/10.
Jon Stewart: The hallmark of civilization is the every other car merge - the zipper merge - at tunnels.
by selenology September 06, 2010

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