Somebody died in here!

It smells like someone/somebody died in (some place)!

It smells really terrible in here. Phew—fellas, you really need to start showering more often. It smells like someone died in here! Oh my God, what did you eat? It smells like somebody died in this bathroom!
See also: die, like, smell, somebody, someone
Farlex Dictionary of Idioms.

Somebody died in here!

verb
See Who died in here?
See also: die, somebody
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • It smells like someone/somebody died in (some place)!
  • Who died in here?
  • nudge (someone) into (doing) (something)
  • Who can say?
  • Who can tell?
  • at the back of beyond
  • be into
  • be into (someone or something)
  • be into something
  • into