Not Sure What To Respond.
When something is either not funny or over your head, thus leading to an awkward pause in the conversation.
guy 1: Hey want to grab lunch tomorrow?
guy 2: Hey want to suck my dick?
guy 1: nswtr. and nevermind.
guy 2: hahahahaha fucking retard
woman 1: Who are you voting for in the next election?
woman 2: Well, because of my affiliations with the Independent party, I believe that ---- is the best candidate because of his stance on nuclear energy, foreign policy and of course you must know of his economic policies?
woman 1: nswtr- I haven't been following the campaigns.