Definition of "rah"
rah1
/ɹɑː/
interjection
adjective
comparative more rah, superlative most rah
(Britain, informal) Posh.
rah2
/ɹɑː/
interjection
(MLE) An expression of surprise.
(MLE) An expression of admiration.
(MLE) An expression of frustration or anger.