Top definition
a girl who is underage yet clearly shows signs that she will be hot in the future. synonymous with jailbait
Emma Watson used to be future hot. Now she is regular hot.

or
There is something wrong with finding that well endowed teen attractive, but i could imagine macking that shit in the future. Thus, I shall label her future-hot, and check back in a few years time.
by Iamnameddave February 04, 2010
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