Generock stems from the words "generic" and "rock". This term can be used colloquially when refering to bands, mostly led by Foo Fighters after the grunge-era of Nirvana, which try very hard to play the same shit everyone else is playing. Examples can be finger eleven, Nickleback, Sum 41 or Jet.
Wow, I haven't heard this song in such a long time. Perfect generock. Can't beleive I liked this once.
Rock bands that were once unique and dedicated to producing solidmusic, who've now sold out and produce generic crap after generic crap. (AKA: Blink 182, Nickelback, Sum 41 etc.)
when i was a kid we used to masturbate to some good bush. not like these weird kids these days, freaking perverts jerkin off to these little clean shaven preteens.
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.