chum

verb, [often followed by with, around] associate with as a friend (COD)

“One was younger than I was, and we chummed a lot together.”

“Sarah and I were the same age. And we chummed, and I hung out there all the time.”

“When you went to school you chummed with maybe the first two grades up or down from you.”

“We always used to, you know, sort of chum around [with the other students], about who’s going to beat who in this weekend and whatever, so on, and so that was kind of fun.”

“When we went down to Expo, she and I chummed around together.”

“Len Jones and I, we used to chum around a lot together.”