off one’s chump

mod. crazy; nuts. Am I off my chump, or did that car suddenly disappear?

Name	Pronounced	Usage
Livia (2)	LIV-ee-ə	English
Ignacia	eeg-NAH-thyah (Spanish), eeg-NAH-syah (Latin American Spanish)	Spanish
Goizargi	-	Basque
Breanna	bree-AN-ə, bree-AHN-ə	English
Aleksandar	-	Bulgarian, Macedonian, Croatian, Serbian
Masterman	MAS-tər-mən	English (Rare)