Primarily used to refer to a great song or an awesome rhyme within a rap song. However this phrase can be used to describe almost anything that "tickles" a person's fancy.
Yo! that new song by Dre is a sick tickle.
A Syndrome where said member of a relationship is a sick puppy.
Symptoms: Constantly following boy/girl around, talking longer than 3 hours on a phone.
Cure: A third wheel.
"James has sick puppy syndrome, he is constantly talking to that hoe"
When you get sick on the bus -_-
Is bus sickness a thing?
When one is completely absorbed by and or involved in controversial matters. Usually that of a nefarious or scandalous type.
Damn, homie! Im here in the joint and been getting word that you're sick in the funk!
To be insanely amazing and awesome
“Yo bro have you seen that new movie” “ yeah bro that shits sick fire nasty “
A statement of enthusiasm
Harlen: Sick boner Tim!
Tim: Yeah bro, you like my new skate hey?
When the drop hits so hard that you're just standing there like "HOLY FUCKING SHIT THAT DROP THO!" usually happens when you're at a party/rave listening to dub step or trap
kat- "dude you okay man?"
steve-" i don't know man the drop in 'one minute (dotEXEs dopiest dope remix)'by krewella i think it gave me bass sickness!!"