(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
Belial	-	Biblical, Biblical Latin, Judeo-Christian Legend
Meggy	-	Medieval English
Marino	-	Italian, Spanish
Linus	LIE-nəs (English), LEE-nuws (German, Swedish)	Greek Mythology (Latinized), Ancient Greek (Latinized), German, Swedish, Norwegian, Danish
Tsisia	-	Georgian
Dalia (1)	-	Spanish (Latin American), American (Hispanic)