1 definition by EtaPhi

A national undergraduate college fraternity based upon leadership and character. Alpha Tau Omega builds character, ethics, and responsibility.

ATO consistently does community service events, fund raisers, and holds regional leadership conferences. Alpha Tau Omega is 100% haze free.

New chapters are required to be substance free, and the ATO national headquarters is in Indianapolis.
Man, I want want to rush Alpha Tau Omega!!!
by EtaPhi April 25, 2007
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