To hang out in a
gang together, to be part of a
group or click. To be a member or
best friend and spend a lot of time together hanging out. Spending a lot of time together.
A person may say to a friend about another friend, "We
bang wood, she is part of our
crew."
I say to my friend Amy, that I band wood with Jillian.
"We band wood." "She is always with me."