lolwut - pronoun - a colloquial expression and/or exclamation used to express a significant lack of understanding pertaining to the given subject. The 'lol' root, derived from the lesser 'lol' (abbreviation - Laugh Out Loud), suggests that the lack of understanding has bemused the lolwutee, whether through delirious exasperation or, indeed, a hilarious consequence brought about due to the misunderstanding