"I ___ you big-time" (3)
I believe the answer is:
owe
(Other definitions for owe that I've seen before include "overdrawn" , "Be obliged to pay" , "Bear" , "Be indebted" , "Have to thank" .)
I believe the answer is:
owe
(Other definitions for owe that I've seen before include "overdrawn" , "Be obliged to pay" , "Bear" , "Be indebted" , "Have to thank" .)