to get things going
on an UNFAMILIAR toilet.
The Big Bang Theory Season 5, Episode 16
...people UNFAMILIAR with the law
of large numbers would call a coincidence.
The Big Bang Theory Season 1, Episode 4
It's not like I'm UNFAMILIAR
with the "get lost" conversation.
The Big Bang Theory Season 4, Episode 18
Yeah, she talks to strangers,
she pets UNFAMILIAR dogs...
The Big Bang Theory Season 6, Episode 2