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
Sylvianne	-	French
Williamson	['wiljəmsən]
Mehmet	meh-MET	Turkish
Gianluigi	jahn-loo-EE-gee	Italian
Theofylaktos	-	Greek
ElÍAs	e-LEE-ahs (Spanish)	Spanish, Icelandic