Acronym for "You Have Been Trolled." Used in online communication. Means that you fell for it; you got sucked in. Often used to mock someone who replied to flame bait or fell for a phony web site.
"I can't believe you replied to that idiot's one-sided political rant; he was trying to start a fight and you fell for it. YHBT."
a shockwave effect on a bored humans keyboard when someone is really freakin bored and has tried all of them like qwertyuiopasdfghjklzxcvbnm pqolazikmwsxujnedcyhbrfvtg qazwsxedcrfvtgbyhnujmikolp i right now currently writing this in a classroom and extremely bored.