geek out over (someone or something)(redirected from geek out over someone)
geek out over (someone or something)
slang To express excitement and enthusiasm about one's very specific and sometimes unpopular interest, especially by talking about it in great detail. A: "Can I just geek out for a minute over how gorgeous Nicky Hopkins's piano playing is on this song?" B: "I don't know who that is, but sure?" Oh, you know Dad—he's just geeking out over some exotic bird.