The phrase "blew to kingdom come" is often used to describe a dramatic and destructive moment, usually involving explosions or natural disasters. Some possible synonyms for this phrase might include "blasted to smithereens," "annihilated," "utterly destroyed," "completely demolished," or "reduced to rubble." These terms convey a sense of shock and devastation, emphasizing the sudden and catastrophic impact of whatever event has occurred. Other phrases that might be used to describe a similar experience could include "wiped off the face of the earth," "shattered beyond repair," or "completely obliterated." Whatever words are chosen, they should reflect the overwhelming power and destructive force of the event in question.