I'll let you ponder over that one 

Something you say when you realise you've said something really stupid, usually in an argument, in order to try and save face and make out that what you said is in fact obscurely witty.

Person one: Lol fag!

Person two: No u!

Person one: Make me!

Person two: ?????

Person one: I'll let you ponder over that one for a bit

I'll let you ponder over that one by Dudey McCool January 14, 2011