Grassley's fire fright

Sen. Chuck Grassley (R-Ia.) had a close call on Friday, according to this tweet:
Work on farm Fri. Burning piles of brush WindyFire got out of control. Thank God for good naber He help get undr control PantsBurnLegWound

Grassley seems to be OK. But wow--"PantsBurnLegWound" is probably the most intense tweet that Twitter Room has come across...