A fud walloper is a term used to discribe- usually a male who boasts about having a large penis and lots of women. the truth is he has not and has not got a girlfriend. even if he did he would not be able to get it up therfore unable to penetrate so has to wallop to stimulate the fud ( the female definition in scotland of a fanny,cunt,clit)
awe shut up ya fuckin fud walloper ye. youv'e nae chance o gettin a burd.