roast up
verb1
Slang To make fun of; ridicule severely or insultingly.
- She wouldn't follow instructions so they roasted her up coming off the plane.
2
To cook by roasting.
- For Thanksgiving, I'll roast up a turkey.
3
To roast fully or completely.
- Then I took another big cast iron pot and put it on the fire. Into this I put some unground cholai and roasted it up good.2011, Joseph S. Alter, Knowing Dil Das: Stories of a Himalayan Hunter, page 119: