batso

English

Etymology

From bats +‎ -o.

Adjective

batso (comparative more batso, superlative most batso)

1. (informal) Mad, insane.
   • 2018, Theasa Tuohy, Flying Jenny:

     Who you talking to, kid, the wind? People'll think you're batso, grumbling to yourself.

References

• Tony Thorne (2014) “batso”, in Dictionary of Contemporary Slang, 4th edition, London,  […]: Bloomsbury