1954, Philip Wylie, The Best of Crunch and Des, Rinehart, page 360:
"You fish, pal. Old grumpy-pants doesn't own the ocean!"
2012, Ellie Daines, Lolly Luck[1], Anderson Press Limited, →ISBN:
I was worried the supply teacher would be some grumpy-pants who liked sending kids out of the room if they dared to interrupt while they were speaking.
2013, Eve Langlais, B785: Cyborg Romance, self-published, →ISBN, page 74:
“Charming, there you are. I've been looking all over for you. Grumpy pants here wouldn't tell me where you went.”