Top definition
the act of drinking vodka so excessively that one literally goes from tipsy to on the verge of alcohol poisoning within an hour. may result in, but not limited to excessive regurgitation (especially on floors), low pulse, extreme solo dancing, 24+ hour hangover, and cancellation of all previously formulated plans.
oh god, look at him. he's on the karl decline!!!

there's no turning back! he's karl declining like mad!!

Man, yesterday I karl declined all night...fml.
by mcjigglesmccafery December 11, 2010
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