A knotty clump of hair behind your neck. It can also be the hair behind your neck when your ponytail has become loose.
by Merry161 October 3, 2006

Sigma Alpha Kappa. A fraternity created by a member of the JMU MRD tuba section for those who possess excessive amounts of volume and great musical abilities.
PJ:Man, I really fuckin' hate those SAK guys, they really annoy the shit out of me."
Gio: Yeah but without em, the section would sound like shit.
Gio: Yeah but without em, the section would sound like shit.
by aSAKbrother December 2, 2011

by Ernie James March 8, 2020

by Navi22222 November 14, 2020

by Virgil Abad and Mark Tupaz June 19, 2010

by christine February 18, 2004
