We don't have synonyms for dagwoods yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are dogwood, dagwood and dogwoods.
(n) :
A large thick multi-layered sandwich containing cold cuts, cheese, lettuce and any of several other fillings
(n) :
A Dagwood sandwich.
(n) :
Ellipsis of Dagwood sandwich. [(informal) An exceptionally thick sandwich made with numerous layers of various meats, cheeses, vegetables, and condiments.]
(n) :
A large thick multi-layered sandwich containing cold cuts, cheese, lettuce and any of several other fillings
(n) :
A Dagwood sandwich.
(n) :
Ellipsis of Dagwood sandwich. [(informal) An exceptionally thick sandwich made with numerous layers of various meats, cheeses, vegetables, and condiments.]