打雞血

1. • lit. to inject chicken blood
2. • extremely excited or energetic (often used mockingly)

     coll.

Character by character

• 打(dǎ)a semantically light, transitive verb that is combined with various grammatical objects to form compound verbs and verb-object phrases with a diverse range of meanings
• 雞(jī)fowl
• 血(xuè)blood