Top definition
when you stick a bottle of ketchup in a girls vagina then take a needle and shove it up your penis hole. After this has been done you fuck her until ketchup starts to come out vagina. Then grab all the ketchup that has came out and smackk her sideways across the face.
cory:what did you do last night?

nick: me and my girl did a sideways ketchup bomb.

cory: aw sick!
by nickshawncoryareqpimp June 04, 2009
Get the mug
Get a sideways ketchup bomb mug for your cousin José.