That is the name we give to a sequence of typographical symbols used to represent a non-specific, profane word or phrase. That is no #@$%*! It is true.
The term was coined in 1964 by American cartoonist Mort Walker, who
is best known as the creator of the Beetle Bailey and Hi and Lois
He also created and named an international set of symbols used in
comics around the world and called it Symbolia. A few examples:
briffits: clouds of dust indicating that a character left in a rush
plewds: drops of sweat indicating that a character is hot or
squeans: asterisks with an empty center indicating drunkenness or