Arm candy

[PussyCat]

A remarkably attractive person of either gender accompanying you or some other lucky person. See also [trophy].

[Jessica]

An especially attractive date, escort or other companion to a special event. Called arm candy because one locks arms with their candy (valuable possession) when they enter. A popular connotation of arm candy is a date that someone is using not to enjoy their company, but simply to appear important, wealthy or worthy of attention.
A golddigger would likely carry arm candy to a dance or party.

[Tina]

An attractive partner, male or female, holding on to your arm while youre in public.

[PussyCat]

Stacking a random order and number for bracelets on your arm.

[PussyCat]

Describing a very good looking person. I first heard this term on an episode of The Hills. Having a babe on your shoulder.

[Luis Fok]

A handsome hunk of Moose Meat that is known to accompany the coveted Canadian Minx on Trader Routes

[Britney]

Heroin. Referred to as arm candy in the TV show My Name is Earl in episode: Stole Ps HD Cart.

[Justin Bieber]

When a girl, or preferrably a guy, gets hickies on his or her arm<s> because of the sucking on the arm similar to that of sucking on candy resulting in ARM CANDY!