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Australian slang for fucking someones brains out, or giving them a sweet hunk of dick.
Dean is such a butt fag. I'll give him the old dickaroo because I know he loves that Ausi cock mate. Eat my cock bitch!!! Cheerio mate!
by Stevo Ausibalz November 02, 2007
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An Australian woman whom hops from dick to dick having kids with everyone she fucks to get baby bonuses and child support.
"God she's a total Dickaroo"

"Yeah my ex was a real Dickaroo"
by obie87 September 30, 2017
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