An activity or event that is totally despicable.
1) It could be a conversation you have with your mates about something weird
2) It could be the fact that someone is getting away with something that they shouldn't.
3) (First used when two boys (JR, BA) were playing NBA Live 2003 on playstation in Queensland, Australia.)
1)
HM: It is cool to dump a bog in the shower
me: mate, this (conversation) is a sickfest
2)
LOSER: hey man i'm two-timing these two really hot chicks
me: mate that is sickfest
3)
BA: Haha JR I'm beating you even though I've never played this before
JR (me): this game is a sickfest
It didn't matter if a prince or princess was ugly or sickly or the village idiot; as long as they were of royal blood, uncontaminated with that of commoners, that was all that mattered.
Carlos II of Spain is a case point for that problem; in delicate health, retarded, impotent, and terribly ugly, Carlos was the end result of generations of inbreeding among the Spanish Habsburgs.
She was a sickly little girl; her nose was always running and she coughed a lot.