It's 'brains',like 'guts' or 'insides'. 'Brains' refers to the soft brainy bits in your head.
(
benryves Now I'm radioactive! That can't be good!,
Tue 15 Mar 2005, 16:47,
archived)
surelythat's 'sawdusts' or 'cottonwools' ?
(
evilstevie misses the Orange Place of late,
Tue 15 Mar 2005, 16:54,
archived)