The word is "POPULAR."
The Big Bang Theory Season 8, Episode 8
You met her at Pasadena's most POPULAR
Irish watering hole, Lucky Baldwin's...
The Big Bang Theory Season 4, Episode 6
While all the POPULAR kids are off doing...
The Big Bang Theory Season 8, Episode 22
...in the POPULAR online game
"Words With Friends."
The Big Bang Theory Season 6, Episode 6
...which I think we all know
is a POPULAR euphemism...
The Big Bang Theory Season 3, Episode 7