monkey on (one's) back

A persistent burden or problem. Trust me, don't get in debt. You don't want that monkey on your back.

Name	Pronounced	Usage
Norman	['nɔ:mən]
Kelvin	KEL-vin	English
HÉCtor	EK-tor	Spanish
Janina	yah-NEE-nah (Polish, German), YAH-nee-nah (Finnish)	Polish, Finnish, German, Swedish, Lithuanian
Fedlimid	-	Ancient Irish, Irish Mythology
Keefe	KEEF	Irish, English (Rare)