man-sized 
(also man-size)
adjective
Large enough to clothe, suit, or satisfy a man: chunky man-sized jumpers...
- I finger-tipped the last crumbs of my wafer-thin slice of cake and put the plate down, ruefully, looking with some envy at Graham finishing the last of a huge man-sized chunk.
- While not a heaping man-sized portion, it made for a satisfying meal.
- It was a man-size portion that more than satisfied.