to quit whatever your doing that is unnecessary and/or doesn't need to be seen done in public; the meaning is related to the "stop" sign, which has cars stop on the road, but if most cars don't, they get T-boned
Cortez: Dude, look at Shelby and Lindsey, the married couple.
Jamie: I know, they need to stop, don't they
Jamie: I know, they need to stop, don't they
by goolp fish November 01, 2009