Top definition
The second you get into a car after it's been sitting in the hot sun for hours and your clothes, jewelry, and everything on you heats up in the worst way.
Man, I barely got in the car and I'm already instahot! I'm sweating, gross..
by TFS July 24, 2005
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2
instahotinternet
when you only look good online/instagram, and not in real life.
Dude, that girl is so instahot. Such a disappointment.
by annnnoooooonn December 28, 2016
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One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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