1 definition by PagglesPoet

Top Definition
An unruly person who doesn't allow anyone else to merge into his lane of traffic.
Someone who ignores the unspoken "one and one and one and one" rule in traffic when two lanes merge together.
When this "zipper" rule is not adheared to, it causes a snag in traffic.
"That freakin' snag almost hit me!
by PagglesPoet January 21, 2010

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