look up any word, like bae:
 
1.
hot person of the opposite sex on your arm; could be same sex
Look at the arm charm that guy has!
by mia swallows July 24, 2006
 
2.
A person whose greatest value is their ability to appear attractive while on the arm of a companion.
by Laura Hadfield April 17, 2003
 
3.
A person you wouldn't fuck, but looks good standing beside you or walking with you.
I don't think Blake would be the right person to have a long term relationship with, but he makes a good arm charm.
by wcat0213 December 28, 2009