a clever clogs

(British & Australian humorous) also a clever boots (Australian humorous)

if you call someone a clever clogs, you mean that they are very clever I bet old clever clogs here knows the answer.

Name	Pronounced	Usage
Phoibe	-	Greek Mythology, Ancient Greek, Biblical Greek
Sacheverell	sə-SHEV-ər-əl	English (Rare)
Mateusz	mah-TE-uwsh	Polish
Abigayle	AB-i-gayl	English (Modern)
Carmel	['kɑ:mel]
Jabril	-	Arabic