Top Definition
A friendship of convenience where a hot girl will team up with, and pretend to show an interest in a nerdy guy, because she needs his help to pass a tuff class. The girl will give the nerd false hope that there could be something between them, and drop the nerd as soon as she no longer needs him.
That poor guy doesn't realise he's just a science class boyfriend.
by knowman March 12, 2008
the type and duration of a boyfriend for most girls aged 12-14.
"Yeah, like, I dumped him already, he was just a science class boyfriend..."
by RJ Kelly February 14, 2008
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