Derived from the verb "to rock" (to be excellent). Appending the common English suffix "acious," the word becomes an adjective meaning roughly "the quality of one who rocks."
The greatest advent in rock and roll technology EVER. Four people throw up rock horns and then arange them in a vague rectangular type shape,with connecting pointer and pinky fingers arranged at 90 degree angles.
It is essentially a double ROCKTANGLE
A picture of a correctly performed ROCKTAGON can be seen here
GUY #1: "Dudes this music rocks so much that I'm affraid that regular old rock horns just aren't gonna cut it."
GUY #2 "I know lets throw a ROCKTAGON."
GUYS #1,3,4: "That's a freaking awesome idea."
Noun: One who lives an extra life; More highlighter, more shoes, more Chipotle. Exchanges expensive gifts with friends on the daily. Likes to yell at strangers and radiates sass.
Oh him? He's a ricetango; I heard he just bought all the new Kylie Highlighters.