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1.
1. A person who, when there are multiple lines for one thing (i.e; cash registers, ticket counters,etc...), move from line to line because one is going faster than the line they were previously standing in.

2. Same as the above, however, they have someone stand in another line just in case one moves faster than the other and they can jump in with their friend.
George is such a line gypsy.
Yeah. i can believe he got Steve to wait in the other line for him.
by pigeon nuggets October 06, 2010