(as) thick as a shit

vulgar slang Remarkably stupid, dimwitted, or obtuse. Primarily heard in UK. I smoked a lot of marijuana when I was in high school, so I turned out thick as a shit by the time I finally graduated. Jen's new girlfriend is very nice, but she's as thick as a shit.

Common Names:

Name	Pronounced	Usage
Riitta	REE:T-tah	Finnish
LÁRus	-	Icelandic
Saraswati	-	Hinduism, Indian, Hindi, Marathi
Fiera	fee-E-rah	Esperanto
Uduak	-	Western African, Ibibio
Yosef	-	Hebrew, Biblical Hebrew