Refers to a nasty and dirty man or women who you don't like, that tries to act like they are a bad ass. A swamp donkey usually is overweight and wears clothes two sizes to small. They are also usually raised in a trailer park
"Have you seen Becky, she's dressed like a hoe and and being really bitchy"
"Ugh she's such a swamp donkey"
Gross trailer park Dirty swamp donkey
"Ugh she's such a swamp donkey"
Gross trailer park Dirty swamp donkey
by just a girl in waiting May 03, 2016