All we know is
they shared a CAB and had a nightcap.
The Big Bang Theory Season 10, Episode 1
No-- it's fine, she likes
to take a CAB or a shuttle.
The Big Bang Theory Season 12, Episode 22
than share a CAB and a conversation.
The Big Bang Theory Season 10, Episode 1
Don'’t be silly,
you don'’t have to call a CAB.
The Big Bang Theory Season 12, Episode 4
l need a CAB.
Breaking Bad Season 4, Episode 7