I was talking with this Guy/Girl till He/She laid a middle school pick up line on me.....it was such an A-Sco I had no idea what to do....
by srmsig April 02, 2010
short for san francisco
by ric0n408 June 22, 2006
A Sco is a horrible person who takes things from people, while asking, but then dosn't wait for a response. You know a Sco.
by MissionAgape October 15, 2014
It is a conjunction of the phrase "let's go." First used on the television show King of the Hill by Dale Gribbel. Preferably used repeatedly and increasingly intense.
by Dave Randall June 01, 2007
An endangered species considered so pointless and useless that no effort is to be made towards conservation.
by TonyM October 24, 2003