/shnawr"euhr, shnohr"-/ , n. Slang.
a person who habitually borrows or lives at the expense of others with no intention of repaying; sponger; moocher; beggar.
Also, shnorrer .
[ 1890-95; shnorer beggar, sponger, equiv. to shnor ( n ) to beg (cf. MHG snurren to hum, buzz, whir; sense "beg" from beggars' custom of playing a small pipe or whistle (G Schnurrpfeife )) + -er -ER 1 ]