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