
...just on the possibility you could have
CHEAP sex with a girl you met in a bar?
The Big Bang Theory Season 3, Episode 3

Like a CHEAP suit.
The Big Bang Theory Season 2, Episode 1

on a CHEAP monkey movie
The Big Bang Theory Season 7, Episode 17

And with CHEAP chocolate,
no less?
The Big Bang Theory Season 7, Episode 15

and he's asking if anyone knows
of a CHEAP place to live.
The Big Bang Theory Season 10, Episode 18