1 definition by nato couto mario

Top Definition
Advanced Competitive Science. A class used to fundraise money ergo the teacher eats the money and calls the students sheep and boneheads. It consistes of making crap out of legos and then having it taken apart by the teacher because it's not fucking crossbraced right.
Stop being a pervert in ACS.
by nato couto mario April 17, 2007

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.