Straits Sling
From The Oxford Companion to Spirits & Cocktails
is another name for the Singapore Sling, Singapore having been, from 1867 to 1946, a part of the Straits Settlements, a British crown colony. See Singapore Sling.
This definition is from The Oxford Companion to Spirits & Cocktails, edited by David Wondrich (Editor-in-Chief) and Noah Rothbaum (Associate Editor).