Garbage Fish Flaps often refers to a female named Sally. In general terms, it is a girl who does not wash her self after intercourse or after anything for that matter but instead leaves the juices and anything else she decides to put in her STD infested hole to grow rancid.

Person 1 "What the hell is that stink? Smells like dead babies, cigarettes, and a bottle of fish sauce deep fried in ass juice..."
Person 2 "Sally...with her fish flaps again. She smell's like shit every time...looks like it too"
Person 1 "That bitch needs to shower"
Person 2 "Summers eve man...shit does wonders."
by wooitschris March 31, 2010
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