Two men use the barometer of manhood to win a duel relating to who has the strongest masculinity.
A win can be attained without the need for a showdown (similar to poker)
Two geezers in a pub toilet. A clubber and a long haired Iron Maiden Man. A cock-off ensues.
Clubber: "Feeling insecure there m8?"
Mr. Iron Maiden Man(slightly confused look): "a-NOPE"
Clubber: "you should be"
Mr. Iron Maiden Man(slightly annoyed & definitely agitated): "Yeh - any time you want mate - bring it on"
Clubber finishes and leaves, Iron Maiden Man wins.