When you get a hickey on only the head of your penis, making look like the pokemon Muk.
Dude, the secretary at my office gave me the best Muk Head I've ever, the other day.
by NoahHacksaw November 22, 2007
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from firstname.lastname@example.org. We'll never spam you.×