What does drain on my nerves and pocket was mean?

"Drain on my nerves and my pocket" is an exaggerated expression that means something or someone is extremely bothersome and frustrating, both mentally and financially. It is used when the negative impact is significant or overwhelming.

The phrase "drain on my nerves" conveys the idea that a person or situation is causing great emotional stress and anxiety. The word "drain" implies that the person's energy or emotional resources are being depleted or drained as a result of the situation.

The addition of "and pocket" suggests that there is also a financial burden or cost associated with the situation. This could refer to expenses incurred, money being wasted due to problems or inefficiencies, or potential financial losses.

Overall, the phrase emphasizes that the person or situation is causing both mental and financial distress, creating a frustrating and draining effect on both aspects.