A wanker who flanks and stanks his way all around town. A flankstangruel at the top of his game may even be seen uptown and downtown simultaneously. All while flankin his stank and wankin his flank to the bank.
In rugby: the name given to players numbered 6-7. These individuals are well known to be gentlemen off the pitch, but as soon as they step onto the pitch they become animals, tackling anyone who comes near them, and often starting fights.
'look at that tackle' 'he must be the flanker'
'any idea who startedthe fight?' 'probably the flanker'