chum up with

chum up with someone

to become friendly with someone. He seems to have chummed up with Fred. Juan quickly chummed up with all the guys in his class.

Name	Pronounced	Usage
Glendower	-	Welsh
Mercedes	['mə:sidi:z]
Sissy	SIS-ee	English
Swapnil	-	Indian, Marathi, Hindi
Machalat	-	Biblical Hebrew
Robbe	RAWB-bə	Dutch