SKAGGED – ie. to be skagged.
1)To be left all the work by the convenient avoidance of a co-worker, who then is in position to take all the credit for any success or dodge any criticism for any failures.
2)To be deceived or taken advantage of by a co-worker.
3)To be jumped in corporate stature by an undeserving co-worker.

To be essentially suffering from an ecstasy hangover.
Being skagged is the time spent after the high until you are 100% normal again.
Being skagged is different to an alcohol hangover. Usually there are no sickness symptoms or dizziness

Symptoms include:
Sweating, tiredness, general paranoia and feeling like a tit.

I you wake up and are still high, you are also skagged