1 definition by Andy Fraser

Top Definition
Indicates membership of a large UK based motorcycle group who use the internet for communication all ride BMW GS bikes. The group has an irreverant attitude which marks it apart from the more 'conservative' BMW riders groups.
"G'day, nice bike, zat the new GS"
"Yeah"
"Are you a UKGSer then"
"Yeah"
"Good man"
by Andy Fraser March 22, 2004

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