а. провалить, испортить; The organization was poor and they pranged up the whole operation. б. жарг. обрюхатить; One of the boys has been careless enough to prang up his girlfriend.
PRANG UP
Англо-русский перевод PRANG UP
Мюллер. English-Russian Muller's dictionary bed edition. Англо-Русский словарь Мюллера редакция bed. 2012