Weird Science

Weird Science is a movie starring Anthony Michael Hall, Ilan Mitchell-Smith, and Kelly LeBrock. Two high school nerds use a computer program to literally create the perfect woman, but she turns their lives upside down.
Two unpopular teenagers, Gary and Wyatt, fail at all attempts to be accepted by their peers. Their desperation to be liked leads them to "create" a woman via their computer. Their living and breathing creation is a gorgeous woman, Lisa, whose purpose is to boost their confidence level by putting them into situations which require Gary and Wyatt to act like men.