| Subject | English | Russian |
| idiom. | I'm not the sharpest tool in the shed | звезд с неба не хватаю (askandy) |
| idiom. | I'm not the sharpest tool in the shed | не самый умный (askandy) |
| inf. | not the sharpest tool in the shed | пустоголовый (Ballistic) |
| inf. | not the sharpest tool in the shed | тупой как сибирский валенок (Ballistic) |
| inf. | not the sharpest tool in the shed | дуб дубом (Ballistic) |
| inf. | not the sharpest tool in the shed | умом не блещет (-Danny failed his third test this week. -Well, he's not not the sharpest tool in the shed, you know. Ballistic) |