A japstick is a japanese man's penis.
"Jackie Chan probably has a japstick, wey hay"
by Gluestick May 17, 2007
A reference to the male genitalia, the ''Penis''
People often refer to the penis of either human or animal as the jap-stick, most oftenly used on the hit comedy show of 'Skins' televised on Channel4, E4 and E4+1
by Rick Purves May 23, 2007