so, I'm one SLIPPERY horror
ahead of you.
The Big Bang Theory Season 7, Episode 21
No. No, this is a SLIPPERY slope, Leonard.
The Big Bang Theory Season 6, Episode 9
For the tenth time,
my mittens were SLIPPERY!
The Big Bang Theory Season 10, Episode 12
"When are roadways most SLIPPERY?"
The Big Bang Theory Season 2, Episode 5