1 definition by FatSharkSlim

Top Definition
Someone who drives at a constant 45 miles per hour, regardless of what the speed limit is on their section of road. They'll happily speed dangerously through a residential area where the limit is 30, and then hold everyone up on a main road where the limit is 60.
"Hey dude, is this guys speedo broken?"

"Nah, he is a 45 miles per hour-er"

"O ryt. What a noob"
by FatSharkSlim June 27, 2009

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