1 definition by doctort123

Top Definition
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."
by doctort123 July 24, 2015

Mug icon
Buy a Investment banger mug!