Nothing signifies impact quite like a comic book sound effect.
Ka-thoom was a regular in Hulk comics, and it usually meant he'd punched something so hard all its descendants died.( , Thu 21 Jun 2012, 11:51, archived)
Cyclops was all about the "VRAMP" or something similar.
Also, "Logan to English".( , Thu 21 Jun 2012, 11:58, archived)