noun
plural -dies
[count] informal :a close friend - used especially to describe men or boys who are friends
[singular] US informal + sometimes impolite - used to address a man who you do not know
[count] :a person who does some activity with you
the buddy system
US :an arrangement in which two people help or protect each other
verb
buddies; buddied; buddying
buddy up
[phrasal verb] US informal :to become friendly especially in order to get help or some advantage - often + with
adjective
always used before a noun
informal :telling a story about a friendship between two usually male characters