tendu comme un string

== French == === Etymology === Literally, “tense as a thong.” === Pronunciation === IPA(key): /tɑ̃.dy kɔm œ̃ stʁiŋ/ === Adjective === tendu comme un string (feminine tendue comme un string, masculine plural tendus comme des strings, feminine plural tendues comme des strings) (simile, slang) very tense, very nervous