As nouns the difference between spag and skag
is that spag is big, clumsy foot while skag is (nautical).
spag
English
Initialism
(Initialism)
(head)
(UK, education) Spelling, punctuation and grammar: a set of criteria used in marking certain examinations.
Anagrams
*
* skag
English
Noun
(-)
(nautical)
(slang) heroin.