the ability or tendency to look good even
when covered in sweat, dirt, overly practical/plain clothes, guts, or whatever life throws at you.
Carrying off the rough-and-tumble look, as opposed to looking like crap
after doing something strenuous or dirty.
of 'cleans up nice'.
Most of the people on The Walking Dead dirty up nice - they look sexy even smeared in sweat, blood, guts and dirt.
She looked gorgeous at the prom, but I saw her after dirt biking: unbelievably, she dirties
up nice too.