donkey work

(British, American & Australian informal) also grunt work (American informal)

hard, boring work

Usage notes: In the past, donkeys were used to carry heavy loads.

Why do I have to do all the donkey work while you get to do the interesting stuff?

Name	Pronounced	Usage
LÍLe	-	Irish
Evander (1)	ee-VAN-dər (English), ə-VAN-dər (English)	Greek Mythology (Latinized), Roman Mythology
Susumu	soo-soo-moo	Japanese
GÖKsu	-	Turkish
Ruby	['ru:bi]
Egon	-	German