A fork of Rural Dictionary
Sauce ketchup (also written as "sauce catch-up" or "sauce catchup") is the art of keeping you and your homies up to date on which sauce you like and exchanging good sauce with each other.
Not to be confused with actual sauce, the sauce as referred to here most often means the original source of NSFW content.
*After exchanging sauce*
A: It's important to share and make sure everyone's still on board you know?
B: So like a sauce ketchup?