1. A male name most commonly found in Azerbaijan and Persia.

2. An extremely nationalistic Turkish guy, overly patriotic and very dangerous should his country be insulted. Often reminisces the Atatürk era. Don't insult Turkey, the Turkish flag, Atatürk, or the Ottoman Empire around this guy unless you want to be hunted down and tortured to death while having İstiklal Marşı blasted in your ears.
Person: TURKEY IS SUPERIOR TO THE REST OF THE UNIVERSE!!!!
Everyone: Quit being such a Heydar
by notyusufr November 13, 2020
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an iphone radar for saying 'hey' to interesting strangers
"My heydar hooked me up with this totally hot guy."
by cd6000 March 23, 2009
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1. The ability to detect a saying from The Parkers (AKA the worst show on americas Most watched network....
UPN...I don't know...Girlfriends are pretty cool.)
"Heeeyyyey" man I heard that on that stupidass network...I LOVE dancing,
by Whoablossom February 7, 2004
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