Speak of Definition 1 of 3Pro Tip 1/3Casual Conversations Commonly used when catching up with someone or bringing up a relevant topic. We were all speaking of our favorite movies when you walked in. Pro Tip 2/3Introduction Cue Use this phrase to smoothly introduce someone or something into the conversation. Speaking of the new project, have you met the team leader yet? Pro Tip 3/3Relevant Transition It's a useful transition to connect conversation topics logically. Speaking of holidays, are you going anywhere this summer?