Top definition
Noun: A lone sock kept in a bad (yet handy) hiding space
for the purpose of cleaning up after masturbation.
Johnny was upset and embarrassed when he realized that his mother had not only found, but had washed and returned his spank sock to beneath his mattress.
by James Barden October 24, 2006
Get the mug
Get a spank sock mug for your bunkmate Georges.