The Chicxulub impact is known as the Dinosaur Killer.

Here is an estimate of the Chicxulub impactor location, It’s blast area and an expanding tsunami front (This is only a rough estimate note the modern continental outlines)

 

• Please note: in the funny meme picture, technicalities aside (asteroid,  comet, meteoroid or meteor) What ever it was- it was big fast and not alone. Sleep well.