The absolute value of "my" heart.
The Math way of showing someone all your love!
This is only used when someone loves something or someone so much that it takes up all their heart.
"Boy": You = k3l
"Girl": Awhhhh! <3
"Girl": The k3l > your k3l
"Boy": So untrue!
"Boy": I love you with k3l and k3l's bigger so I love you more
When 2 men have anal intercourse during a blue moon a kl is born. K3L's are known to be fast learners and like to run strait into danger. Past tanks or snipers K3L is usually a mad scientist.