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Related to in hair: Hair growth
*in someone's hair
1. Lit. tangled in someone's hair. (*Typically: be ~; get [into] ~.) My bubble gum got in my hair and I had to cut it out.
2. Fig. annoying someone. (*Typically: be ~; get [into] ~.) You can watch what lam doing, but don't get in my hair. I wish you wouldn't get in my hair when I'm trying to do something.
See also: hair