Grunder Trifecta
A Grunder Trifecta is the ultimate achievement of having the perfect combination of three bodily fluids stains in one's underwear a.k.a. Grunders at the same time. To achieve Grunder Trifecta status, one must have signficiant fecal, urine and semen stains in the underwear at any one given time (if male). If female, fecal, urine and vaginal discharge stains at any one given time. The Grunder Trifecta stains can be created all at the same time which requires some significant skill with timing, sexual activity and dietary strategy. Most Grunder Trifectas are created over the course of several days or even weeks allowing the stains to form naturally over time which enhances their appearance and sometimes the quantity and thickness of the stains. The Grunder Trifecta is often done as a precursor to creating a Grunder Quadfecta which adds a fourth element of smell to the underwear. The Grunder Quadfecta creates a strong allure when adding stench and aroma to the stains of a Grunder Trifecta.
The Urban Dictionary Mug
Customer Reviews
Guys do i buy a sex mug?

It's perfect!! Thank you!
Loved the mug! It really suits me, my co-workers love it.
I Really enjoyed to color options and the mug is made of very good material and i will be buy much more in the near future these mugs are the absolute best
Good quality, not cheesy.
Awesome purchase, I can't wait to show off my "Progressively Straight" mug at Starbucks.
Mug was delivered undamaged just as ordered.

10/10 Looks exactly like the preview. Shipping was fast.
It was a gift for my sister, who wrote it. She loved it and so did I!
Arrived quickly, nicely packaged, exactly as expected, a good quality mug. Thank you!
Always shipped in proper package and timely

My son wanted this mug. I highly recommend ordering from this site. Easy to order, pay, and track. Mug arrived without issue and is perfect!
Was a gift and arrived on time. Just as advertised. Lots of fun.
👍

The mug exceeded my expectations. Really excellent quality and build
Arrived carefully packaged

I love it! Thanks! So
Great present for a retiring colleague with custom saying she's known for!
Cute, well-made mug! Exactly like the photo. I can't wait to give this as a gift this Christmas!
Mug looks great and everything is spelled correctly.
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