Man, did you see Neville the other night? He had a vindaloo and 8 pints of Cobra. Debbie forced him to shove a cork in it, but the seal failed just as he bent over to tie his laces by the smoking shelter. The source of ignition caught the cloud and flashed back to source. It was a full blown rim seal fire!
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.