She's been on more Jocks than Tube Socks
Referring to a particullarly promiscuous female. Jock meaning the male genatalia and tube socks is a reference to the common practice of masterbating with a sock on your penis to avoid a messy clean up
Guy 1:"Dude, Susan looks good, what I would do to hit that!
Guy 2: I'd stay clear here man, from what I've heard she's been on more jocks than tube socks.
Guy 2: I'd stay clear here man, from what I've heard she's been on more jocks than tube socks.