half-crazed
From Longman Dictionary of Contemporary Englishhalf-crazedˌhalf-ˈcrazed adjective CONTROLbehaving in a slightly crazy uncontrolled wayhalf-crazed with She was half-crazed with pain.Examples from the Corpushalf-crazed• The half-crazed hippy, deeply into Zen, Whose cryptic homilies she came to dread.• a half-crazed old man