What is Sockdeweller?
1.
One who jerks off into a sock in order to not make a mess.
"OMG this sock is filthy, have you been sockdewelling again?"
See
2.
One who jerks off into a sock to save cleaning up the mess.
"You should have seen my little Timmy's sock's in the wash. If i didnt know better i'd say he'd been sockdwelling again."