1. To lose one's erection immediately after vaginal intercourse in which ejaculation occurs, and the penis is pulled out.

2. To seek sex with partners that fall outside of one's normal sexual partners, as in to "think outside the box."
1. "Wow, I thought I'd never shrink outside the box last night after porking the ole lady. Damn that Cialis"

2. "Man, you really were shrinking outside the box when you hooked up with that field goal post, Frank."
by noumenal December 31, 2009
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The Shrinking-Box Hand Gesture (SBHG) is used to describe abstract things by leadership in a corporate environment. Typical uses are to describe a process, workflow, or when making a really good point that everyone should pay attention to. To perform the SBHG, simply start with your hands placed wide on the table with your palms facing eachother. After making each point, or describing each step, lift your hands like you are holding a box, and pretend to shrink it by an increment proportional to something in your description. Place the imaginary box back on the table. Your hands will be closer together with the palms facing. Now, repeat the process until you are satisfied. This phrase can be used in many situations such as:
"Wow, that was a good Shrinking-Box Hand Gesture used in that meeting!"
"He/She really got me with that Shrinking-Box Hand Gesture. I just nodded and agreed!"
"I will now perform the Shrinking-Box Hand Gesture"
Wow, that was a good Shrinking-Box Hand Gesture he/she used in that meeting!
by Caticon July 11, 2018
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1. an expression implying that knowing to much about an activity, situation or person tends to discourage one from involving himself with it, often related to sexual encounters

see also zipless fuck

2. a truism

3. a parody of loose lips sink ships
After Elliott told Devin that Kittyboot's friend from Philly had roast beef curtains, Devin replied, "Buddy, thanks for warning me... loose lips shrink dicks."
by Elliott July 5, 2005
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When you lose your erection because a woman's crotch stinks.
That girl's pussy smelled so bad that I got the Stink Shrink. My dick went down like the Titanic.
by GC A.C. March 11, 2021
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An alternative to "Fuck off asshole or I'll murder your testicles."
Person 1: "Ligma balls"
Person 2: "Go shrink ya chin"
by demonater5 May 1, 2021
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long term affect of drinking alcohol
Angela asked in class how testicles could shrinking AKA shrinking testicles
by XtremeSlayer529 October 24, 2013
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