Something dumb girls apply their eyeliner on, the inner rim under your eyeball. They think it's cute and fashionable when really it just looks like they have extremely small eyes. Usually the same girls who think uggs and miss me jeans are cute.
reasonably smart person: where are your eyes dumb bitch? Don't you know lining your waterline makes you look like a really tired asian?
dumb girl: whaattt?
by Bodhi412 January 29, 2011
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When a person takes a huge dense shit causing the water line to increase.
Jerry that was a fat shit. I bet that was a waterliner
by It’s like 12 October 23, 2019
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