pip-pip /ˌpɪpˈpɪp/ exclamation3 •(UK, informal) Goodbye; cheerio, toodle-oo, toodle-pip (mostly used by the upper classes)."In that case," said Archie, relieved, "cheerio, good luck, pip-pip, toodle-oo, and good-bye-ee! I'll be shifting!" — 1921 •(UK, informal) A general greeting (mostly used by the upper classes)..Pip-pip! What's going on here? •(UK, informal) Used to create enthusiasm (mostly used by the upper classes).Pip-pip! Let's get out there and knock the stuffing out of 'em!