Used in a sentence typically constructed as "You're making an ass out of yourself". It means that the target is making himself seem foolish or that he is embarrassing himself.
"Josh is always making an ass out of himself when he's had too much to drink"
"Hey Josh! Stop making an ass out of yourself!"
by Alstorp July 3, 2014
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When someone thinks they're being cool or impressing people, but really they're making themselves sound stupid and making themselves look like a fool.
John made an ass out of himself when he claimed to be a history expert but then got world war I and world war II mixed up.

A drunk guy made an ass out of himself when he was singing lyrics to a non existent song outside the bar

Two examples of making an ass out of yourself.
by Xxxxxxxxfanboyxxxxxxxxxx January 4, 2021
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