The act of performing cunnilingus on a female who is particularly larger than average, for example: A fatty, plumper, BBW, or to put it simply; a fat bitch.
Glen: "Man, did you see 'Oral Perversions 53: BBW Edition' on Spice lastnight?"
Doug: "Fuck that shit man, seeing all that chunkylingus makes me wretch!"
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.