full to the gills

Adjective

Meaning

full to the gills (not comparable)

(idiomatic) Completely or overly full.
Even though the room was full to the gills with people, they managed to push enough people aside to open up a small dance floor.

Source: en.wiktionary.org

Synonyms

chock congested

Close letter words and terms

full to capacity full to overflowing full to the brim full to the gunwales full to the top full toss