The residual garbage you are left with after a failed sexual experience; an unfilled condom.
#1
Evan: "Sammmmmmaaaaaayyyy did you lay a fat nut on that chick's face last night?"

Sammy: "nah man... she made me use a condom, so you know I was left with an empty sack."

#2
Eric: "Hey Gabe, why are you in such a bad mood, bro?"

Gabe: "Listen Brother, you'd be in a bad mood too if an empty sack was sitting YOUR trash bin."
by MadeThatBitchFRAMEOUS March 23, 2016
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