2 definitions by BRC

Top Definition
A person searching through friendster or myspace profiles for hot guys. When one is located there may be several connected to him, similar to finding a vein of gold.
Dear Marie,
I wasted 3 hours online today being a cock miner, but look what I found for you! See attached profile.
Love,
Jane
by BRC October 06, 2005
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When a drunk person is persistently looking at you out of the corner of their eye.
"Boy I could feel John sideballing me all night while I was talking to Bill, he's got to get over it!"
by BRC October 06, 2005
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