Its a combination of Swag and Yolo
hence swolo

Anatidaephobia is defined as a pervasive, irrational fear that one is being watched by a duck. The anatidaephobic individual fears that no matter where they are or what they are doing, a duck watches.

Anatidaephobia is derived from the Greek word "anatidae", meaning ducks, geese or swans and "phobos" meaning fear.

The act of going to the gym without your usual workout buddy/buddies.

The ultimate culmination of 3 years of swaggots using yolo and swag separately which over time caused the bond of the two words resulting in "swolo"

A Polo or other short sleeved collared shirt that is overly tight on the arms and/or chest. Worn by guys to show how awesome and buff they are.

A word me and my friends came up with that means “cool”. It is dirt iced from the meme of Kylo Ren not wearing a shirt in Star Wars episode 8.