👉 The word is '1675. 6 [2 (4 Bromophenyl)hydrazinylidene] 3 (dipropylamino)cyclohexa 2,4 dien 1'. It's a slang term meaning "one sixty-seven-five" or "sixty seven five". This is commonly used in jokes and limericks.
Here's an example sentence using it:
"Sixty-seven-five sixty-seven-five six seventy-five, one sixty-seven-five, we call you little sixty-seven-five. And this is what we say: Sixty-seven-five sixty-seven-five, sixty seven five sixteen-sixty seven."