chum up

1.
UKUSinternationalinformalcolloquial
- To become friendly or to make friends with someone; to establish a casual or amicable relationship.
2.
USUKinformalpejorative
- To ingratiate oneself with someone, often for personal advantage; to curry favor by flattering or befriending them.
3.
internationalneutralnauticalfishing jargon
- To scatter chum (bait, fish parts, or other attractants) into the water in order to attract fish or sharks to a particular area.

Examples: