Achieve the impossible; get much more than expected; get the best deal on the planet
Hey dude, I've yalloed so hard last weekend, I climbed Mount McKinley dressed in a monkey costume.

OMG, this Black Friday was so yallo...I got an iPhone for 299 bucks!
by mr_impossible February 14, 2018
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diferent term fer yellow
mikeeeeey:lets go snowboardin in canada

steeeeeeven:okay

*goes to canada*
mikeeey:weeeeeeeeeeeeeeeeee

steeeeeven:watch out 4 the yallo snow

mikeeeeeey:oh crap
by steven mack August 25, 2007
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