I could understand
frequenting an opium DEN
The Big Bang Theory Season 5, Episode 10
Even the little DEN of iniquity
he keeps for his meth-hag girlfriend.
Breaking Bad Season 2, Episode 2
So we walk into the lion's DEN.
Game of Thrones Season 7, Episode 6
Ooh, maybe,
I could turn it into a gaming DEN.
The Big Bang Theory Season 10, Episode 7
but you're here,
in the fucking lion's DEN.
Money Heist Season 3, Episode 7