To have a look at something or to investigate it further

At certain UK universities, to force someone who falls into a specified category to drink. Often a part of formal meals and crew dates, the aim is to encourage excessive alcohol consumption. When 'sconced', those to whom the sconce applies must stand and take a large gulp of whatever alcoholic drink they are on.

Sconce can be used in two different ways. It could be a different name for you science class or you could just be ordering a scone and not know how to spell it.

to get, to score, to attain

(n). You'll figure it out eventually...

to be really, really fucking high.

When one is totally wasted on alcohol and/or drugs at a hotel, and walks right into a wall mounted light fixture (sconce) in the hallway. Knocking oneself out.