Let's see what the damage is

Meaning

This is a humorous way to ask for the price of something, especially when you expect it might be expensive. It implies the cost is a blow you are bracing for.

Self-deprecating, playful

Used in a sentence

• The mechanic is bringing the bill out now, so let us see what the damage is.
• I bought a new suit for the wedding, so let us see what the damage is on my bank account.
• Ordering five rounds of drinks for the whole table? Let us see what the damage is.