do top your head (verb) wing it: improvise
Sinonime: Section 8, bedlamite,
bigot, crackpot,
enthusiast,
fan,
fanatic,
fiend, flake,
freak, fruitcake, kook, loon, loony, lunatic, madperson, nut*, nutcase, psycho, psychopath, schizoid, screwball,
zealot