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when someone holds the joint way to long and wastes weed for a stupid reason ex. a shit story, bitch lungs or they're just plain stupid

pronounced: dennis-ing
fucking dennis keeps dennising the joint with random stories
by penis will sun June 16, 2011
Verb: the act of giving a girl sexual pleasure beyond belief
Dennising is a great time
by Dig bickswag December 14, 2013