1). the act of twanging your flinching pinger with your middle finger as if you were pinging some ones lug
"haha quality I have a pinger! how random!.. am well away to twang this bad boy :-)"
2). drawing a shlong on a note pad with the banger becoming more and more erect with every flick of a page...
"aaaaah nothing like a nice refreshing pint after work eh... here! pass me that note pad mate... ok, but why?... because I have worked hard today and I want to draw several penis`s on paper OK! with the 1st page harbouring a sketch of a flacid love lance, centre page will show a semi and the last page having a full blown, full on throbbing turgid pinger"