Top definition
A driver who ignorantly ignores all raod signs and warnings waiting until the LAST possible second to "merge" into traffic from a lane that is closed ahead. They stupidly do this in hopes of getting ahead of all traffic.
While on I-95 South, Troy and I encountered a number of merge weasels when we headed into Daytona which caused my husband to swear profusely.
by angrymuppet August 28, 2011
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