Fool; idiot; annoying or contemptible person (usually male).
(countable) A public eating-place in South Asia, now especially a communal kitchen run by a Sikh community and serving free food.
A person from south county Dublin.
(uncountable) The free food served at such a place.
Langer is a surname originally of German origin. For the etymology, meaning, and pronunciation of the name, and for the Hiberno-English slang word, see Wiktionary.