noun
Jacko
JA-koh
noun
1
A casual nickname for someone named Jack or Jackson.
"His mates have called him Jacko since school."
2
A large kingfisher-like bird native to Australia, known for its distinctive laughing call.
"A jacko cackled loudly from the gum tree at dawn."
How to Use Jacko
Learner’s notesIn plain EnglishA nickname for Jack, or an Australian bird known for its laughing call.
Word Forms
jackos plural
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Etymology
Formed from the name "Jack" plus the informal "-o" ending common in Australian and British nicknames.