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1.
Describes a man with a long, lean, sexy body. Similar to lanky.
That tall blond cowboy leaning against the truck sure is loinky.

That Heath Ledger is one loinky dude.
by kmich January 25, 2007
 
2.
Loinky (adj): a male body that is long, lean, flexible and exceptionally graceful.
That tall, strong, silent cowboy in Brokeback Mountain sure has a loinky body.
by Elleann January 14, 2007