Breaks my crayons 

This sentence is often times used when someone is sad or disappointed. It cannot be used when you are only mildly disappointed. You must be extremly sad

Guy A "Dude i can't go this week"

Guy B "Aww man now this just breaks my crayons..."

Breaks my crayons by UD sentences September 3, 2012

break my crayons 

causing someone grief for an unjustified reason

Should someone stand in front of the TV during the final moments of a big game would be an obvious attempt to break your crayons.

"Dude, why do you have to break my crayons all the time?"

break my crayons by Paul Kemp July 12, 2007