BBM noun 2verb 1forms 3 noun2 •A message sent via Blackberry Messenger.Cole told me and I typed it in. I sent him a BBM and heard a jingle in his bag. “Now you have my number too,” I said. “Text me or call whenever.” — 2012 •Initialism of big beautiful man. verb1 •To send (a message) to (someone) via the BlackBerry Messenger service.Our generation is definitely all about the texting and the e-mailing and the BBM-ing and the IM-ing; it's endless. — 2010 formsBBMed · BBMing · BBMs