salty dog

Meaning

Noun

• An experienced sailor.
• A sexually promiscuous man; a male sexual partner.
• A cocktail consisting of gin or vodka, grapefruit juice, and a salt rim.

Origin

• From the salt of the sea. Compare old salt and seadog.
• Sexual sense may be due to association of sailors with sexual promiscuity, or may be separate development, salty and dog both suggesting promiscuity.
• From a greyhound, plus salt, influenced by existing term.