- Upon use, Isaac farts, knocking back enemies and their shots. It also sends out rock waves that deal 10 damage per tick to nearby enemies and break obstacles.
- This item is identical to Butter Bean in appearance.
- Butter Bean has a small chance to turn into this item upon pickup.
- Swapping Butter Bean with other active items no longer has a chance of turning it into Wait What?.
- This item is useful for opening Secret Rooms, Super Secret Rooms, and Bedrooms. In Bedrooms, it can also open up the passage under the carpet.
- To break open a secret room, the wall must be hit with one of the rock waves, not the gas cloud, so Isaac needs to stand a few steps away from the wall.
- The earthquake can open Bomb Chests.
- The earthquake can be used to blow up the Donation Machine or activate/blow up a Restock Box.
- Wait What? can no longer withdraw coins from the Donation Machine.
- Ghost Pepper: Shoots a flame behind Isaac upon each use of Wait What. While Car Battery does not duplicate Wait What's shockwave, the flame shot is duplicated regardless.
- Car Battery: No effect.
- The item description is a reference to a brand of margarine named "I Can't Believe It's Not Butter!".
- Unlike Butter Bean, this item has no unlock condition, meaning it's possible for the player to find it right away, making the joke and reference slightly confusing.
|The Binding of Isaac: Rebirth|
|Achievements||Attributes||Bosses||Cards and Runes||Challenges||Chapters|