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1.
Smiling all in a person's face, trying to gain their favor. Usually a person that is skinning and grinning is being fake or phony, flattering, or flirting. Trying to impress or befriend a person. Often they don't really like or respect the person and since they aren't being sincere, they are just skinning and grinning.
person 1: My boss always gives me so much more work to do than everybody else.
person 2: Really? Why do you think that is?
person 1: I don't know, probably because I'm not always skinning and grinning in his face like the other people there.
by xXSerendipityXx December 12, 2008

Words related to skinning and grinning

boot licking cajolery flattery flirt kissing ass phony skin and grin