Used informally to mean 'to foul up; to bring into or become in a confused state'.
Definitions
(informal) To cause to become confused, disorganized, or bungled; to foul up. A missing semicolon snafued the entire program.
Synonyms
mess up
screw up
foul up
muck up
bungle up
Slang, chiefly US military; means to botch or foul up (transitive or intransitive).
Definitions
To botch or foul up; to cause to become chaotic or confused. They completely snafued the rollout by skipping the final quality checks.
Synonyms
screw up
mess up
foul up
cock up
bungle up
Used as a stand-alone exclamation meaning ‘Situation normal: all fouled up’.
Definitions
An exclamation indicating that a bad or confused situation is just the usual state of affairs. Snafu! The supply truck took a wrong turn again.