wank tunnel

Best definition
wank tunnel
The term given to the tight grip chronic wankers (fappers) utilise to get them off after hours and hours of edging to pornography, usually of the bizarre kind such as granny porn, shit fetishes or rectal fisting.
Arnold hand to employ a wank tunnel in the end otherwise he would have been sitting there with his micro-dick pawing away at it for days with no release in sight.