1 definition by filling the hole in your box

Gumdinger

Someone who has given, or regularly gives oral to guys.

"I heard that Kristina gave head to John at the party on Friday."

"Wow, what a gumdinger."

or...

"Last night some chick gave me Gumding!"

"Who was the Gumdinger?"

by filling the hole in your box June 3, 2007