Г199
ГОЛОВА ВАРИТ (у кого)
collКОТЕЛОК ВАРИТ
substandМОЗГИ ВАРЯТ
substandVP subj.usu. this
WO 1. s.o. is bright, intelligent: у X-a голова (котелок) варит = X has a good head on his shoulders
X's head is screwed on straightX has a lot (X is really) on the ballX is one smart cookieX has (the) smartsX has brains.
2. ( neg only) s.o. cannot think clearly (because of fatigue, illness etc): у X-a голова не варит - X can't think straight
X's brain refuses to functionX's brain is on the blinkX's brain is mush (fried).