A pisstickle is basically wanking in the bath. The reason it has the name Pisstickle instead of bath wank is because when you jizz in the bath it look like white piss. And you have tickle your Willy in the bath at least I do!
The nickname for a knife or sword.
Another nickname could be a shank.
Used in the game The Hidden: Source.
Used in the book Swastikia by: MichaelSlade.
"I just used my pigsticker to gut him."
"That is a very sharp pigsticker."
Or can be used as a verb. "I just pigsticked you bad."