Wicked is definitely a New England thing, so only the coolest people on earth know what it really means. It has nothing to do with being mean and definitely nothing to do with witches or a Broadway play. This T-shirt will tell the world where you're from and that wicked is in fact an adverb. New Englanders use Wicked as an adverb rather than an adjective; some Bostonians feel it grammatically improper not to put an adjective or verb after wicked. Do your part and educate the world with this awesome Tee! It's wicked awesome.