Noun
big baby (plural big babies)
(derogatory) An adult or youth prone to immature behavior associated with babies, such as tantrums or pouting.
Perhaps looking out through big baby eyes - if we could - would not be as revelatory experience as many imagine. We might see a world inhabited by objects and people, a world infused with causation, agency, and morality - a world that would surprise us not by its freshness but by its familiarity. Paul Bloom
I'm not a huge fan of horror movies myself because I'm a big baby and I get too scared to watch them. Katrina Bowden
I hate divers, like Cristiano Ronaldo, who might be the greatest athlete in the sport, but he's a big baby. If things are going well he's great, but when things are going badly it's the ref's fault, it's his teammates' fault. Viggo Mortensen
I'm a big baby. I'm not tough at all. Tom Sizemore
You're such a big BABY. So cry me a river, build yourself a bridge, and GET OVER IT. Rachel Renée Russell
How simply could his spinal cord separate from that big baby head of his. Source: Internet