The definition of get under one’s skin is:
(verb) to annoy or bother someone
My younger sister gets under my skin. I find her so annoying!
A: How is your new roommate?
B: He keeps getting under my skin.
A: Why? What is he doing?
B: Heâ€™s always having parties, being messy, eating my foodâ€¦.
The movie Be Kind, Rewind really got under my skin. I found it so annoying!
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