Mother of the Grump: "I am off my meds!"
Froggy Nun: "Meds? I have a frog for that, you just need to lick her."

Delirium tremens or schizophrenia?

gnosha said:

Delirium tremens or schizophrenia?

Probably delirium tremens.
Considering she was an alcoholic, and she is managing to abstain of drinking, this side effect appears in the first 3-7 days of abstaining, which coincides more or less with the timeline here.

"The hallucinations were back."

You could say she's feeling froggy (groggy).

And of course that mf up top doesn't learn. At this point it's safe to assume he's intentionally being an eyesore.