When you inadvertently and/or hilariously offer oral (or bestiality, or the like) to your best friend via text, because, thanks to the crowdsourcing of language on UD, everything is a sexual euphemism now.
Me: Hey girl! :) Do you want to come over for Sunday brunch?
Julie: Whaa? You DO know what that means, don't you? You'd better check Urban Dictionary before you invite anyone to brunch again. LMFAO.
Julie: But yes, I'm free for brunch.