| Name | Meaning | Gender | Origin |
| Bear | Large mammal with large head, bulky body and coarse thick fur | Unisex | English |
| Belly | | Unisex | Hebrew |
| Biggie | | Unisex | Hebrew |
| Boomer | A large full grown kangaroo. A baby boomer. | Unisex | English |
| Bruiser | A large heavyset man | Unisex | English |
| Bubba | | Unisex | Hebrew |
| Buddha | | Unisex | Hebrew |
| Bull | The adult male of certain large animals like cattle and elephants | Unisex | English |
| Burrito | A flour tortilla wrapped around a filing of beef, beans or cheese | Unisex | English |
| Butch | Masculine in appearance or manner. | Unisex | American English |
| Chewy | Needing chewing. | Unisex | English |
| Chubbs | Rounded and plump. | Unisex | English |
| Chunk | | Unisex | Hebrew |
| Chunky | Short, thick and stocky. Also means containing small pieces like chunky soup or stew. | Unisex | English |
| Cletus | Pray | Unisex | Greek |
| Crisco | | Unisex | Hebrew |
| Diesel | | Unisex | Hebrew |
| Doughnut | | Unisex | Hebrew |
| Dozer | One who sleeps lightly | Unisex | English |
| Fatso | Slang for a fat person. | Unisex | English |
| Fatty | | Unisex | Hebrew |
| Godzilla | | Unisex | Hebrew |
| Goliath | Tall | Unisex | Hebrew |
| Hammy | | Unisex | Hebrew |
| Hearty | | Unisex | Hebrew |
| Hershey | Brand of chocolate. | Unisex | English |
| Hoss | | Unisex | Hebrew |
| Lane | Lane | Unisex | English |
| Mighty | | Unisex | Hebrew |
| Monster | A creature of frightening appearance | Unisex | English |