spanger

Etymology
, root, from stereotyped phrase “spare change?”, “spare any change?”

Noun

 * 1)  beggar, one who uses the phrase “spare change?”
 * 2) * 2007, Pam Hogeweide, Spangers and Song on Hawthorne:
 * I squatted down on the sidewalk to get eye level with the spanger (someone who asks passerbys for spare change).

Usage notes
While sometimes used neutrally, more often used pejoratively,   with connotations of professional begging.