The "That's Fricken Sick"also known as #TFS is a hand gesture and saying used only by the sickest people. It is displayed easily, you do a thumbs up and throw it down into basically a Shaka or the "Hang Loose" sign, but with your thumb bent downwards at the knuckle. Accompanied by the phrase"That's Fricken... SICK!"
"Did you see Thad shotgun that beer?! That's fricken sick!"
OR
My dad said he loves me! That's fricken sick!
When the dick is good but goes too far and hits your gag reflex then makes you throw up. But it’s okay as you are a trooper and swallow and carry on.
Girls!!!! I gagged on the dick to much and sick dick happened! It’s okay he didn’t know and I carried on!
A sick dick is when someone gets an erection while they are sick and proceed to have anal sex using there sick as a lubricant
Mate, I am feeling a sick dick coming on