I mean it as if your own Pokemon uses explosion and survives... If so, that'd be epic.
HB
No because Focus Sash and Sturdy will not protect you from it.
This is because Focus Sash and Sturdy protect you from the enemies OHKO moves.
Actually, there is. When your opponent has the ability Damp, the move will fail, causing you not to faint.
No they will always faint.
Source-Experience