well its another of those sleepy ways to sign off/retire... wen u dont have enow energy left to write the whole thing.
it actually expands for :
"GOOD NIGHT & SWEET DREAMS".
mj & aks are friends chattin on the net...
mj: dude i gtg its way too late, got a presentation tommorrow.
aks: omg , presentation and all.
mj: just a small one...eh... more so coz um wiped...
aks: okey then, gnsd , take care.