'funny mood' is correct and can be used in written English.
For example, you could write the following sentence: "He was in a funny mood, laughing uncontrollably at his own jokes."
Republicans are in a funny mood.
You see, I'm in a funny mood.
The Dutch have tended to be solidly in favour of European integration, but have been in a funny mood ever since Pim Fortuyn set off a wave of populism.
In the England dressing room, I could be messing about with Freddie and Harmy at the back, but if I wasn't being stupid or in a funny mood you could equally find me having a sensible conversation about cricket with Andrew Strauss.
You may be in a funny mood or have not met like-minded souls for a few days.
Works good when online and in a funny mood.
He had sworn that if he was "evicted from Kuwait by force, then Kuwait will be burned," and it turned out he wasn't just joking around or in one of his "funny moods".
There are few things funnier (and mood-uplifting) than a person that can embarrass themselves and just roll with it.
It's undeniably funny, but the mood darkens when Mr Rooney's much-delayed train eventually turns up.
Unferth is best known as a prose fiction writer, and her language is sly and bitterly funny, matched in mood by Haidle's monochromatic, inkwash-style artwork, which plays up the story's whimsy as well as its sadness.
BG West Ham win appeal against Kouyaté's one-match ban Goals of the week: Dimitri Payet, Thomas Müller and more Funny how quickly moods swing.
