The phrase "big bruiser" refers to a person who is large, strong, and tough. It describes someone who has a powerful and intimidating presence. Full definition
«They picture him as a great big bruiser with bullets in his belt and a leopard skin around his hat, swigging whiskey and making passes at women all day, which could not be further from the truth. (si.com)
About 100 million years later, those clumps had become big bruisers likely to bust up anything that got in their way. (discovermagazine.com)
Chrysler's big bruiser continues to draw fans of large rear - drive sedans, with or without the bonus of strong V8 power. (keywestcdjr.com)