Г213
ДЫРЯВАЯ ГОЛОВА
collNP 1. ( usu. appos, vocative, or subj-compl with быть« (subj: human) a person who has a very bad memory, is absent-minded, forgetful
scatterbrain
featherbrain.
2. \Г-213 у кого
VP subj. with быть«pres only)
s.o. has a very bad memory, is forgetful, absent-minded: у X-a дырявая голова = X is scatterbrainedX has a brain (a head) like a sieve.