It is the way that insurance premiums are calculated that is bonkers buttonwood.
From the economist.com
I think it would actually drive me a bit bonkers to be such a creature of habit.
From the nzherald.co.nz
I decided the Chelsea Arts Club was off the beaten track, but suitably bonkers.
From the independent.co.uk
Ultimately, being housebound with a silent tot did make me go a little bonkers.
From the washingtonpost.com
Even in a rare victory in Orange County, the Yankees were still driven bonkers.
From the dailynews.com
So when the Hoosiers hit it big last year, of course the eager fans went bonkers.
From the timesunion.com
But was totally bonkers, and still is, although we keep in touch, now and then.
From the economist.com
Of all the hotel gimmicks we've come across, this is probably the most bonkers.
From the guardian.co.uk
The only reason he's likely to be re-elected is that his opponents are bonkers.
From the guardian.co.uk
More examples
Balmy: informal or slang terms for mentally irregular; "it used to drive my husband balmy"
Bonkers! was an ATV variety show from 1979, distributed by ITC Entertainment.
Bonkers was a short lived UK television series written by Sally Wainwright and starring Liza Tarbuck. It was transmitted on ITV during 2007. It was also released on DVD. This series is available on DVD, distributed by Acorn Media UK.
The Bonkers series is the leading happy hardcore compilation series in the UK. The first release was in 1996 on record label React (now Resist), it was available on 2xCD or 2xTC formats. ...
"Bonkers" is a song by British grime artist Dizzee Rascal and American producer Armand Van Helden. It is the first single released from Rascal's fourth album, Tongue n' Cheek. Rascal released the track under his own record label, Dirtee Stank Recordings on 18 May 2009 in the United Kingdom.
Bonkers is an animated American television series that aired from September 4, 1993 to December 21, 1995 in first-run syndication (after a "preview airing" on the Disney Channel). The syndicated run was available both separately, and as part of The Disney Afternoon. ...
Bonkers! (also known as This Game is Bonkers!) was a race-style board game produced by Parker Brothers and later by Milton Bradley. The object was to be the first player to score 12 points by adding instruction cards to the empty spaces in an attempt to move to several scoring stations. ...
(Bonker) ClayFighter is a fighting game released for the Super NES in 1993, and later ported to Mega Drive/Genesis in 1994. It has been re-released on Nintendo's Virtual Console along with the two Earthworm Jim games and Boogerman, which are also by Interplay.