As verbs the difference between dacked and gacked
is that dacked is past tense of dack while gacked is past tense of gack.
dacked
English
Verb
(head)
(dack) dack
English
Verb
(
en verb)
(Australia, informal) To pull down someone's trousers as a practical joke.
gacked
English
Verb
(head)
(gack)
gack
English
Interjection
(
en interjection)
(often, repeated several times) The sound of a cat coughing up a hairball.
Also used of similar noises, particularly one made to show disgust or disapproval.
Verb
(
en verb)
To make a 'gack' noise.
To expectorate a hairball.