1: Slang for large penis, derived from the words genitals and tentacle.
2: Any or all tentacles used on a female by a cephalopod, sea monster, or alien type creature for sexual or violent use, often seen in anime as tentacle porn.
1: Dagon totally owned that chick with his genticles.
2: Don't know what his problem is, the guy just can't get enough of the genticles.
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.