Top definition
After a friend, family member, or just about anybody you know does something remarkable you congratulate them by sneaking up on them and ejaculating on their body... preferably their achilles or calf.
My sister got an 1100 on the SAT so I gave her a big cumgratulations.
by Hunny bun Goertz April 13, 2010
Get the mug
Get a cumgratulations mug for your cousin Riley.