Meaning

1 senses
  1. (slang, uncountable)Morse code.

Origin

From iddy (“a nonsensical term”) + umpty (“a Morse code dash”).

From iddy (“a nonsensical term”) + umpty (“a Morse code dash”).

Wiktionary, CC BY-SA 4.0 · source

See also

neighbours in the dictionary
iddy-umpty — meaning, examples, forms, synonyms | Krumeto