ispiti

1. (+ acc.) to drink up; to drain
   Ispio je kafu na brzinu i otišao na posao. — He drank up his coffee in a hurry and left for work.
   Ispili smo čaše do dna. — We drained our glasses to the last drop.
2. (of strength, energy) to drain; to exhaust
   Ovaj posao mi je ispio svu energiju. — This job has drained all my energy.

Do not confuse with ispitati "to examine; to test".