Top definition
the magical time of year at wesleyan university when the sun is out, girls take care of themselves (shave their legs, wear make-up, shower more than once a month), and many students congregate on the infamous foss hill to drink, smoke and be merry.

alternative meaning: spring
ryan (silly freshman): what's hill season?
tom: you will see.
luke: it will be the best season of your life.
richard: hill season is a magical time of year.
by thetdospecial March 26, 2012
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