throw up hands
v. phr.— «A youth worker started the talks by saying, “We all know who’s supposed to speak first.” An H-Block leader, who had been shot a few days earlier, said, “It’s time to throw up hands,” street lingo for an offer of peace. His counterpart from Heath responded simply, “Then it’s done.”» —“2 gangs find real peace, in secret” by Suzanne Smalley Boston Globe (Massachusetts) Nov. 5, 2006. (source: Double-Tongued Dictionary)