pad (one's)/the accounts
To make one's financial accounts appear more successful, stable, or secure than they really are, as by fraudulently concealing losses or by reporting false profits. Once the company's fraud came to light, it was quickly discovered that they had padded their accounts for years. Mark had taken to padding his accounts in the company to hide the losses from his husband's excessive spending habits.
pad (one's)/the expense account
To make unnecessary or fraudulent charges to one's company expense accounts for one's personal use. Have you been padding your expense account, Johnson? You're going to have to explain some of these mysterious out-of-state charges.