Sludying Edit Meaning

1.

To make an attempt at last minute studying before a test in vain, mainly bacause you are falling or have already fallen asleep. Most sludying occurs on a transit commute or during homeroom.

I don't understand why i failed that test! I stayed up late playing WoW all night, but i was sludying all morning!

See wow, marta, sludying, asleep, fail, failed