Translations
umpteen [ˈʌmptiːn] ADJ → tropecientos
I’ve told you umpteen times → te lo he dicho tropecientas veces, te lo he dicho miles de veces
Collins Spanish Dictionary – Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005