grinch(redirected from Grinches)
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A mean-spirited, spiteful person.
[After the Grinch, title character of the children's book How the Grinch Stole Christmas (1957) by Dr. Seuss (Theodor Seuss Geisel).]
informal US a person whose lack of enthusiasm or bad temper has a depressing effect on others
[C20: from a character in the 1957 children's book How the Grinch stole Christmas by Dr Seuss (1904–91), US writer and illustrator, whose full name was Theodor Seuss Geisel]
a person or thing that spoils or dampens the pleasure of others.
[1965–70; from the Grinch, name of a character created by Dr. Seuss (Theodor Seuss Geisel)]