dag
Although I was young and beautiful, I still thought I was daggy and fat!
"Quite frankly I love him but he looks daggy," she declared.
She has resisted the urge to gain 20 kilos and wear daggy tracksuit bottoms. 
 SMART Vocabulary: related words and phrases  Dirty & untidy 
all over the placeidiom
Augean
besmeared
bespattered
bloodied
look like something the cat brought/dragged inidiom
manky
messily
messy
mucky
sluttish
sluttishly
soiled
sordid
sordidly
unsterilized
untidily
untidy
untrimmed
unwashed
You can also find related words, phrases, and synonyms in the topics:
 Not attractive to look at