He plans to 'thin' (out) the young carrots in the garden. [=to remove some of them so that there is more room between the remaining carrots]
His hair is a little 'thin' on top. = He's a little 'thin' on top. [=he does not have a lot of hair on the top of his head]
The bank's decision to raise rates could be 'the thin end of the wedge'. [=many other banks may also decide to raise rates]
(..) thief at the scene of the crime. You talking about me? I'm a cop now. - No, you're not. - Then why do I have a badge and a gun? The thin blue line just got thick as hell. - Give me that! - Come on, Judy. It's not loaded. Look, if I was gonna (..)2017 TvShow: Brooklyn Nine-Nine Title: #DUPE# Season: 4 Episode 11