Approved Boston Slang

Wicked – very; or occasionally cool. Used indiscriminately, can modify anything (e.g.: “Wicked good.” “Wicked bad.” “Wicked boring.”, etc.). Almost always used as an adverb, rather than an adjective; some Bostonians feel it is grammatically improper not to put an adjective or verb after “wicked”. Beantown-approved Boston Slang on Wikipedia. (A hoobanger is a large party.)