in my country both are acceptable
although 'dick' seems to be in the ascendant, particularly in such usage as 'awww shutup dick' and 'awww harden up dick'.
The cognate 'dickhead' doesn't really work with 'cock', although 'cocknose' is probably better than 'dicknose'.
also PRICK
( ,
Wed 3 Sep 2008, 1:46,
archived)
The cognate 'dickhead' doesn't really work with 'cock', although 'cocknose' is probably better than 'dicknose'.
also PRICK