verb / noun
mope
MOHP/məʊp/
To behave in a gloomy, listless, or self-pitying way.
She mopes on the sofa with her cheek in her palm.

Etymology
The word first described moving or acting unconsciously, then being listless and apathetic. Its sound may have suggested low feelings, but the supplied evidence establishes no definite source.
In context
if you have a bad show, you're only allowed to mope about it for however long the show was. So, I guess time's up.
More examples
- After his friends left, Leo moped around the empty house.
- There's no point moping over one bad test result.
- I tend to mope when rain keeps me indoors.
Forms
mope · mopes · moped · moping
mopey adjective — gloomy and lacking energy or enthusiasm