stuffed to the gills

full to the gills

Completely or overly full.

green about the gills

Ill or unwell, especially as indicated by one's appearance.

packed to the gills

Completely packed; very full or crowded.

stuffed like a turkey

Very full from overeating.

stuffed shirt

One who is pompous or self-important, especially one who is either officious or punctilious in a position of authority.