Top Definition
when you see someone or something and instantly know you dont like them.
see i just met them and they insta-hate me!
#instant #hate #meet #dislike #not amused.
by irishr3dneck March 12, 2011
When you instantaneously or spontaneously know you hate someone or something.
I was overcome with instahate the moment I saw my ex's newest conquest.

I instahated her the second our eyes met!
#insta #immediate #spontanious #instant #hate #dislike #scorn #despise
by justanotherposter March 12, 2011
Someone you hate on Instagram. You don't even know them in real life but still, there's this feeling of hate.
Oh you know, she's friends with that girl I instahate.
#instagram #hate #meangirls #selfie #bitch
by youaremurder May 03, 2015
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