Fucking another man in the back of a jeep
"Man I was stacking jeeps cheap Last night"
by Supermlgguy420 September 20, 2021
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When someone has a gun with a lot of ammunition,or a very large gun with a lot of ammunition that they carry with them. (You wouldn’t want to mess with someone if their shelli is stacked)
dont test him got a stacked shelli
Or

Don’t worry if them niggas run up are shelli’s are stacked and we’ll clap em’
by YungboibandzTV April 3, 2018
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The practice of attending multiple social functions consecutively. A sign of popularity. May be reduced to "stacking". The person who has such a busy social life is a "stacker".
Popular chick A: What's on tonight?
PC B: I got the dinner at Bev's, then meeting Aldo for drinks at (the coolest place in town here), the Jackie's wants us to meet her at Chang's for dancing.
PC A: I so love social stacking.
by Cata May 8, 2007
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a simple expression to say your are, of course, masturbating.
"Are y-you Jacking Your Stack?"
by JackMasterBater November 9, 2023
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