Correct

掏窟窿

/ tāo kūlong / 
Strokes

Example

As a Verb

get/fall/run into debt

1
Tā
他
yuèyuè
月月
qián
钱
bùgòu
不够
huā
花
  
,
shícháng
时常
tāo
掏
kūlong
窟窿
  
。

He can't make ends meet every month and runs into debt now and then.