Top Definition
A lady who appears a flaxen-haired beauty when viewed from behind, but when turns round is capable of frightening horses and small children.
Wow, mate, look at that bird over there with the gorgeous hair. I'm going to ask her for her number. (Lady turns around). Oh fuck it, she's a blonster. Mission abort!
by jez1974 May 28, 2009
7 Words related to blonster

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