1 definition by Ncicco
A popular trick among high schoolers that allows one to slap the backside of someone's neck if he/she makes eye contact with the dreaded neckboi hand symbol.
Dude #1: Yo i think you dropped your pencil
*holds out hand in the neckboi configuration*
Dude#2: Oh thanks mah!
*looks down at dude #1's hand*
Dude #1: NECKBOI!!!!!
*slaps Dude #2's neck with monstrous force*
*holds out hand in the neckboi configuration*
Dude#2: Oh thanks mah!
*looks down at dude #1's hand*
Dude #1: NECKBOI!!!!!
*slaps Dude #2's neck with monstrous force*
by Ncicco January 12, 2014