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
When you have a cold and no matter how many times you brush your teeth or chew gum IT KEEPS COMING BACK!
with the after taste of phlegm and other unmentionable horrors.
Dude: Hey i just went to visit sarahtoday but i could NOT kiss her ...she had some serious sickbreath!