The type of crap electro-rock music you sometimes find in pubs. Play on words combining the words "Pub" and "Dubstep". Bands usually have pretentious names such as "Optic Nerve" or "Hindsight".

Someone who used to be a potential girlfriend/boyfriend, but no longer is.

Pubstep is Irish dubstep music or dubstep being played in a pub

An all-inclusive communal gathering - a meeting of the senses, channeled through various forms of music, trychels and wobble boards especially, all down your local watering hole.
Sniffters and caraffs of wine are customary.

Describes the motion of a heavily inebriated patron who is unable to walk straight without wobbling from leg to leg, provoking an instant comparison to the wobbly motion of the modern dubstep rave elephant.