- Northern and Midland U.S. clabber(def 1).
Origin of bonnyclabber
Regional variation note
Examples from the Web for bonnyclabber
It was there affirmed that I threw the Bonnyclabber's log-book into the sea.
The Bonnyclabber's reactionary course had now brought her to the spot at which I had taken passage.
Twice a week the children enjoyed a bowl of bonnyclabber or curds, with a little brown sugar sprinkled on the top.Dutch Fairy Tales for Young Folks
William Elliot Griffis
Word Origin and History for bonnyclabber
1620s (in shortened form clabber), from Modern Irish bainne "milk" (from Middle Irish banne "drop," also, rarely, "milk"; cognate with Sanskrit bindu- "drop") + claba "thick;" cf. Irish and Gaelic clabar "mud," which sometimes has made its way into English (Yeats, etc.).