The past participle of "drink," meaning to consume alcohol.
पी चुका
English Usage: After he had drunk too much, he fell asleep on the couch.
Hindi Usage: जब वह बहुत अधिक पी चुका था, वह सोफे पर सो गया।
pī chukā, pee chuka, pi chuka, pi chukaa, pichuka, pe chuka
