It was just a SUGGESTION.
The Big Bang Theory Season 7, Episode 22
A SUGGESTION box.
The Big Bang Theory Season 5, Episode 16
If I may proffer a SUGGESTION...
The Big Bang Theory Season 2, Episode 20
As per your SUGGESTION,
we're hanging out.
The Big Bang Theory Season 4, Episode 5
Well, it wasn't the first SUGGESTION
that came to mind...
The Big Bang Theory Season 2, Episode 21