No context, just the line above. What’s the first thing you thought of?
Rub-a-dub-dub.
Lemonparty.
ETA: you didn’t say it had to be the most accurate thing.
Other: Three Men In A Boat (Jerome K Jerome) - one of my favourite books.
Nursery rhyme.
Not that there’s anything wrong with gay porn.
That was my first thought as well.
Same here.
“It always does seem to me that I am doing more work than I should do. It is not that I object to the work, mind you; I like work: it fascinates me. I can sit and look at it for hours.”
Santorum
It didn’t pop into my mind at all…but, yes, a truly delightful book! (To say nothing of the dog!)
Same here.
Gay porn, but I have to admit I’m biased towards wanting to hear it that way.
gay Nursery rhyme
I also thought “Rub-a-dub-dub”.
Me, too. Rub a dub dub
Gay porn.
The butcher, the baker, the candlestick maker.
You know, there may even be some kind of double entendre implied with this little rhyme.
Soup!
This story: Arkansas weatherman Brett Cummins found in hot tub with naked dead man wearing ‘dog collar’
I think of three hefty guys guys sitting in a tub like children, all crossed legged and not taking up that much space. It’s not porn, since I can’t see anything other than the fact they are sitting there. The nursery rhyme came after that. Gay porn only after you mentioned it.
My first thought with unfamiliar phrases is very often quite literal.