
...I broke up with my BOYFRIEND
and it's freaking me out.
The Big Bang Theory Season 1, Episode 2

Hey, BOYFRIEND.
The Big Bang Theory Season 8, Episode 2

Well, my go-to move is usually
sleep with the person's BOYFRIEND,
The Big Bang Theory Season 10, Episode 10

I do have a BOYFRIEND.
The Big Bang Theory Season 7, Episode 13

Why Leonard is such an attractive
and desirable BOYFRIEND?
The Big Bang Theory Season 6, Episode 2