from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An experienced sailor.
- n. A sexually promiscuous man; a male sexual partner.
- n. A cocktail consisting of vodka, grapefruit juice, and a salt rim.
From the salt of the sea; compare old salt and sea dog. (Wiktionary)
From a greyhound ("vodka and grapefruit juice cocktail"), plus salt, influenced by existing term. (Wiktionary)