brain fag
/ˈbreɪn faɡ/noun
(Supposed) exhaustion of the brain; mental fatigue (now chiefly historical ). In later use also: = brain fag syndrome.
Origin
Mid 19th century. From brain + fag.
- supersexual
- supersign
- supersize
- supersoap
- supersolid
- supersonic
- supersonically
- supersonics
- supersonic transport
- supersound
- superspace
- super-spatial
- superspecies
- superspreader
- superstandard
- superstar
- superstardom
- superstate
- superstation
- superstition
- superstitional
- superstitionist
- superstitionless
- superstitiosity
- superstitious