(US, _, slang) Resembling or characteristic of a frat boy in behavior or appearance.
I can never hear the professor because these fratty guys spend the whole class talking about partying.
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
See all Regional & Other slang on Slangora.