Yonks vs Gonks - What's the difference?

As nouns the difference between yonks and gonks

is that yonks is (uk|australian|new zealand) a long time (especially a longer time than expected); ages while gonks is .

(gonk).

(-)

(UK, Australian, New Zealand) A long time (especially a longer time than expected); ages

Haven’t seen him in yonks !

I’ve been a teacher for yonks - I should really try another career.

This egg is taking yonks to boil.

Common in many English-speaking countries but not those of North America, where it is generally unknown. English terms with unknown etymologies

(head)

(head)

(gonk)