cracking a sad

(Australian lingo)

To throw a tantrum; to go crazy.

This joey is cracking a sad!

Don't crack a sad!

(Also said as, "chuck a sad.")

crack a sad

Have a big sulk because things aren't going your way, or generally throw your toys out the pram, sook. General displeasure.

Often followed by the need to call a waaambulance.

Mark was forced to crack a sad when he came home to find out someone had eaten all his Crunchy Nut.

His computer cracked a sad when he tried to play Crysis on the highest settings