Around here, if you’re grumpy, we say you have a grumpus.

If it’s real bad, we say you have a Big Pink Grumpus.

This is what he looks like:

The big pink plush Grumpus can be thrown at spouses, friends or housemates who insist on sheer unwarranted grumpiness at inopportune times. Anyone who remains grumpy during such an assault reveals their humorlessness and is subject to further making fun of.