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1.
1. Makes Terezi loco.

2. Makes the shippers crazy.

(part of a internet phenomenon known as Broadway Karkat, which is a girl singing parodies of songs to fit a popular webcomic called "Homestuck".)
I'm Karkalicious. (Super sweet!)
So delicious. (Fuckin' adorabloodthirsty!)
Karkalicious. (Even Egbert wants a piece of me!)
I'm Karkalicious.
L-l-l-l-like candy, candy!
by Kballkdball August 24, 2012
 
2.
One of the many popular songs sung by MS Paint Adventure's (Created by Andrew Hussie) Karkat. Most of it you won't get unless you read Home Stuck, references to Terezi, Nepeata, and filling pails..... It's still a good song even if you don't know what Karkat means.
Karkalicious is from Broadway Karkat's album KEEP CALM and JAZZ HANDS.
by Optimal003 March 28, 2012
 
3.
sexy, attractive, bootylicious.
by the gurll August 07, 2012