WHAT IS SLIPPERY SLOPE?
A conclusion based on the premise that if A happens, eventually through a series of small steps, through B, C...X,Y,Z will happen, too. If we don't want Z to occur A must not be allowed to occur either.
*gets caught sneaking out*
Parents: ARE YOU PREGNANT?
YOU'RE NEVER GOING TO GRADUATE HIGH SCHOOL
YOU'RE NEVER GOING TO COLLEGE