- (US, Navy, Marines) An experienced sailor.
- A sexually promiscuous man; a male sexual partner.
- (experienced sailor): old salt, sea dog
- (promiscuous man, sexual partner): See also Wikisaurus:promiscuous man, Wikisaurus:sexual partner
seadog — see seadog
From a greyhound (“vodka and grapefruit juice cocktail”), plus salt, influenced by existing term.
- A cocktail consisting of vodka, grapefruit juice, and a salt rim.