Investment banger Share definition Flag n. someone who specialises in dating seemingly unattractive people that later blossom into fitties. "Did you see Dave's missus, she's a 9/10". "She used to be such a munter, though. He's such an investment banger." Investment banger by doctort123 August 20, 2015 0 0 Get merch Get the Investment banger mug. Buy Now — $32.95 See more merch
