A four-letter verb that can mean "obscene" is "bawl," which refers to shouting or crying out loudly, often in a way that can be considered inappropriate or offensive. However, if you're looking for a verb that more directly conveys obscenity, "cuss" (to use profanity) might be the better choice. Both terms carry connotations of vulgarity in different contexts.
Cuss is a four letter verb for obscene. Other words that can be used in place of obscene include curse, swear, vulgar, and expletive.
show
It is "wear".
maim
sing/sang
Cuss is a four letter verb for obscene. Other words that can be used in place of obscene include curse, swear, vulgar, and expletive.
foul
evil, vile
show
help
make
grow
wear
yern
grow
quiz
It is "wear".