an individual who is able to recycle someone else's trashy fashion.
this person has a penchant for stealing undesirable clothing from friends, relatives and even a dumpster.
applied to the look sported by some people after a night of too much drinking...
Can be used as both a negative and positive adjective.
"John has been dressing with his brother's hand me downs, the whole school thinks he is a slumdog fashionista"
"Annie had way too much vodka last night and pucked all over herself... hhehe she looks like a slumdog fashionista"
"and on the today show.: After these messages... fashion on a budget... the new trend ...slumdog fashionista"