1. The article used for 'enlarging' the male genitalia by placing socks in the groin area of trousers, other items may suffice such as toilet tissue, half cucumbers etc. Usually performed by mediocre musicians on the pub circuit in the vague hope that some bimbo will think they have a huge wanger
2. A person who sockspands
'That Chris is hung like a horse!'
'nah he's a sockspander - if he were really that big he'd get a hernia with those jeans'