be shitting bricks

(taboo)

to be very frightened or worried The bull was following us across the field. Tony was shitting bricks.

Name	Pronounced	Usage
Breeshey	BREE-shə	Manx
Przemek	PZHE-mek	Polish
Epiphanius	-	Ancient Greek (Latinized)
Caitria	-	Irish
BoŠTjan	-	Slovene
Giles	JIELZ, JIE-əlz	English