Top Definition
Someone who dunks the proverbial donut into the company coffee; i.e., someone who sleeps around with colleagues from work.
"Check out Alan, he's hitting on the new chick already"
"What a donut dunker!"
by WingNut November 16, 2007
A man who likes putting his penis into another mans anus.
Lisa likes Gary but she doesn't know he's gay! Yeah, I heard he was a donut dunker.
by dollmusic October 12, 2011

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.