Mope

You should not mope all day in your rooms, but should come out into the green garden, and hear the birds sing with joy among the trees, and see the butterflies fluttering above the flowers, and hear the bees and insects hum, and watch the sunbeams chase the dew-drops through the rose-leaves and in the lily-cups.

Don't stay home and mope.

When she gets upset, she has a little mope, and then gets over it.

putting gulleries on some or other till they have made by their humouring or gulling ex stulto insanum, a mope or a noddy

2011: LA Weekly, documenting uses dating to the 1990s The porn industry is many things. Subtle is not one of them. So when Porn Inc. went searching for a job title for people like Stephen Hill, the choice was "mope." It's based on the off-camera life of these fringe actors, hangers-on who mope around the studios hoping for a bit role, which if they're lucky might bring them $50 plus food — and the chance to have sex with a real, live woman.https://web.archive.org/web/20110310155324/http://www.laweekly.com/2011-02-24/news/porn-machete-murder/