clumsily stupid ...1854 rare
deduced from joulter-head
(jolter-head - a stupid head, a stupid person, a blockhead)
FIRST DOCUMENTED USE
1854 - see EXAMPLE below
"...He seems to have a collection of these puns (and where or how he gets even them is a puzzle), stowed away in his joulter jaws, which he instantly shoots out upon you," added the doctor, "as I have seen a baboon do, pelting the company with his cheek preserved quids, after he had learnt the tobacco accomplishment ..."
From: Blackwood's Edinburgh Magazine, Oct. 1817-1905
July, 1854 - Letter to Eusebius. Riddles.