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
Aldwin	-	Ancient Germanic
Barukh	-	Hebrew, Biblical Hebrew
Dolan	['dəulən]
Sondra	SAWN-drə	English
Giada	JAH-dah	Italian
Beatrycze	be-ah-TRI-che	Polish