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"Fuck Your Shit Up." A warning that something can hurt you or otherwise decide to ruin your life.
He's just a little kitty, but Mittens won't hesitate to FYSU if he decides he wants to, so keep your distance.
FYSU by nitros124 December 7, 2024
Related Words
fysu FYSUP
this word means fuck your shit up. its really stupid but hey make fun of it, we do :)
FYSUP by rainbow leopard February 23, 2010