Combination of "condolences" and "congratulations." Used in response to a statement or pronouncement where the user is unsure of how the person who made the statement feels about their statement or pronouncement.
When you go on a bender banging different people everyday and keep reusing the same condom. You just slap it on a plate when you're done and repeat until the bender ends.
Dude I've had this condom for 400 days! Been condomplating