Mobile 20 double up man = give me $40 worth of rock for $20.
by LBpeckerwood February 2, 2007
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to double up is to let a person know that they need to shut up as you turn up that radio without saying anything
james: my mom wouldn't shut up so i had to double up on her
robin: ahh good move.. did she shut up after that?
james: ofcoarse its a double up
robin: your right ...unbeatable
by alexisisdubomb46__9 September 3, 2008
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To have sex with someone who is twice your age.
If you are 20 years old and have sex with someone who is 40 years old, you have successfully done a double up.
by da9n September 13, 2011
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When you are with a bunch of your friends and one of them makes an audible fart. At this time you or another one of your friends silent farts and then blame the smell on the friend whose fart was heard
Its a well known fact that when a guy farts, a girl will silent fart and double up on the guy so he gets the blame.
by Roldy May 20, 2006
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When you take "two in the pink and one in the stink", flip it around then double the amount of fingers in each hole.
Lol mate I totally hit her with that reverse double up last night to finish her off.
by 21st century Jesus February 28, 2019
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