quebrada

n. gully, ravine, brook

adj. broken; rough, uneven; cracked; bankrupt

n. bankrupt, one who was unable to repay debts and whose property has been divided among his creditors

n. slope, incline, upward or downward slant; curve, bend (in a road); remote place, distant place

adj. broke, bankrupt; out of order, broken

= go + belly up, fold.
Ex: Our ISP (Internet Service Provider) went belly up 10 days ago and we have been unable to send & receive emails since.
Ex: By the mid-eighties, two of the big companies folded, but were replaced by a handful of small, independent firms = A mediados de los ochenta, dos de las grandes compañías quebraron, pero fueron sustituidas por un puñado de pequeñas empresas independientes.
----
* hacer quebrar = bankrupt.
* no quebrar = stay in + business.
* quebrarse = snap off.