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Verb: Sice is like slice, except for it's sice. Often yelled while playing Call of Duty and using the melee attack to kill an opposing player.

Adjective: used to display great excitment or approval of nearly uncontainable joy.

Related words: throwing sice, shooting sice
Guy #1 kills opposing Call of Duty player with knife attack
Guy #2: Sice!
Guy #1: What does sice mean?
Guy #2: Sice is like slice except for its sice!

Mon, I had Marathon, Lightweight and Commando on and I was sicing guys all night!
Sice by Chemzilla October 27, 2010
Related Words
To hit or combust upon an object or somebody with supreme force.
My friend siced that guy so hard that his nose fell off.
I siced that blunt up, let's smoke it quick.
sice by Henry Lebard August 30, 2008
When Brandon Li says anything.
That is a sice
Sice by Big fucking deal November 24, 2018
To conduct a knife attack on an opponent or team mate while playing Call Of Duty.

When your opponent dies from a knife attack you would scream "SICE" into the headset so you team mates would know.

Throwing knives are also sice-worthy.
"Yo guy, I'm about to sice the sniper camping at the top of the hill". as I walk over to his position, i maneuver my way behind him and then, "SICE" !!!
Sice by Modern Warfare 2 player October 26, 2010
Things have been messed up sice the beginning of time.
Sice by Taratara March 9, 2018
Self Icing either by accident or for the purpose of retaining possession of the puck.
He siced the puck in overtime in order to maintain possession.
Sice by Bobloblaw March 4, 2024