sacknuckles

The crease in an old man's slacks that his ball-sac makes when straining themselves.

Did you see the size of Grandad's sacknuckles when he got up from the couch?!

by SRKjr October 20, 2008

sacknuckles

The crease in an old man's slacks that his ball-sac makes when straining themselves.

See the size of Grandad's sacknuckles when he got up from the couch.

by Letty01 February 5, 2010