A state of mental distress usually experienced by your partner, which they have no intention of articulating to you, or explaining any reasons behind it, but which they are pissed-off that you are not doing anything about, and will make sure that the nice evening that you had planned becomes a living hell.
Acronym:Quite Upset About Lots Of Different Stuff
NB: Do NOT, under any circumstances, try to explain to a sufferer that they have this condition.
Person of Unspecified Gender:(Enters room with a face like a busted boot)
Partner of Person of Unspecified Gender:(Thinks)"Aw shit! Qualods!"