And sawdust restaurants with oyster-shells:

from T.S. Eliot – The Love Song Of J. Alfred Prufrock on Rap Genius

Meaning

“Sawdust restaurants” alludes to those restaurants which have sawdust on the floor; this makes clean-up (in case someone, say, throws up) an easier task. Not a nice, classy place to be.

The image of oyster shells, which were served at restaurants in Eliot’s time as an aphrodisiac, contributes to the theme of sexual frustration.

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