Ungrump 

To cause someone to become happy when they had been in a grumpy state.

My coffee ungrumped me this morning. I was real grumpy but my coffee made me feel so much happier.

Ungrump by Mummy Lycett April 19, 2020

Ungrumpified 

To not be grumpy/unhappy anymore.

To decide to smile.

Jack Mac was not smiling and he was very unhappy. After he ate a delicious piece of pizza at Cumberland House of Pizza, Jack Mac smiled and became ungrumpified.

Ungrumpified by JackMac* March 20, 2014

the untrump 

A candidate running to dismantle Cult 45.

Bring on the untrump!

the untrump by Dr Bunnygirl February 19, 2020

ungrumpify 

To make someone happy again.

To make someone un-grumpy.

Girl: Hey, you look sad.
Boy: Yeah, I wish someone or something would ungrumpify me.
Girl: How about a hug and some cookies?

ungrumpify by fishwoman2000 December 6, 2010

untrumping 

To let a people get so far misled one direction and then thru a process of miraculous events withdraw the corrupted party or parties all in perfect sync with the people and everything’s great again.

Wow that place sure is fucked off. Oh look this may be the prequel to the sequel, of the untrumping

untrumping by Clawed wanderer December 29, 2018

ungrumpetise 

i. the process of not being grumpy anymore, and
ii. the transitioning and gradual unpeeling into the state of ungrumpiness.

I get grumpy easily, but I can also ungrumpetise easily

ungrumpetise by sophisticated_unicornsie April 9, 2019

unTrumpfortable

Feeling discomfort, uneasiness, nervousness, physical discomfort, unbearable pain, or similar feelings from the thought of Donald Trump as president of the United States.

Remedies may include meditation, prayer, deep breathing, Pepto Bismol, heavy drinking, and/or emigration.

The 2016 election has made the majority of American voters very unTrumpfortable.

unTrumpfortable by WonderWomanTheOneandOnly January 10, 2017