As nouns the difference between clacka and cracka
is that clacka is (geordie|vulgar|slang) a testicle while cracka is (us|pejorative|racial slur|slang) (impoverished white person).
clacka
English
Noun
(
en noun)
(Geordie, vulgar, slang) A testicle.
(Australia, vulgar, slang) An anus.
cracka
English
Noun
(en-noun)
(US, pejorative, racial slur, slang) (impoverished white person)