SillyGrump
Cozy on the outside. Grumpy on the inside. 🎄
🎄 BESTSELLER
Silly Grump Santa Plush Onesie
Grumpy hood · dog pocket · booties included
$64.98
$99.98
Get yours in 4-6 weeks while others wait 2-3 months
32 people are viewing this right now
🚚 FREE SHIPPING
Free on every option — single, duo and trio. No minimum.
Pick Your Set
Free shipping on every option 🚚
Single
1 onesie · just for you
EARLY ACCESS
$64.98
$99.98
🔥 MOST POPULAR!
You save $85.98
Bestie Duo
Buy one, get one 25% off
EARLY ACCESS
$113.98
$199.96
Trio Squad
Buy two, get one 50% off
EARLY ACCESS
$161.98
$299.94
What People Are Saying
4.9
240+ verified reviews
Kayla Robinson
✓ Verified
Wore this to our tree-decorating night and my family genuinely screamed. The plush is so much thicker than I expected and the hood actually holds its grumpy shape instead of flopping. I have not taken it off since it arrived.
brittany morales
✓ Verified
Got the duo with my brother for our family party. The droopy hat down the back is the best part — people kept grabbing it. 6'1", 205 lb, got the XL and it fits perfect with room to spare.
Destiny W✓ Verified
The little dog pocket killed me. Softest thing I own. 🐶
Jaz✓ Verified
Bought it as a joke gift. He has worn it every single day since.
Ashley Nguyen✓ Verified
Booties are warmer than my actual slippers. Zero notes.
mandy.k✓ Verified
Won the ugly sweater party and I wasn't even wearing a sweater.
Tyler Brooks✓ Verified
Fit true to the chart, shipping was tracked the whole way. Ordering a second one.
- 🧸Ridiculously soft plush
Thick fuzzy fleece that feels like a heated blanket you can walk around in.
- 🐶Real dog pocket
A brown plush pup with a red bow rides on the leg — and yes, it's a working pocket.
- 🎅Full 4-piece set
Hood with the grumpy face, Santa hat, fur-trim top, green pants and red booties.
🎁 Wrapped and ready — the gift that makes the whole room lose it on Christmas morning.
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Size Guide
Adult sizes · unisex, relaxed plush fit
| SIZE | HEIGHT | CHEST | WEIGHT |
|---|---|---|---|
| S | 5'0" – 5'4" | 34" – 36" | 100 – 135 lb |
| M | 5'4" – 5'8" | 37" – 39" | 135 – 165 lb |
| L | 5'8" – 5'11" | 40" – 43" | 165 – 195 lb |
| XL | 5'11" – 6'2" | 44" – 47" | 195 – 230 lb |
| XXL | 6'2" – 6'5" | 48" – 51" | 230 – 270 lb |
Between two sizes? Size up — it's meant to be baggy and the booties fit over socks.
Questions, Answered
Everything you'd ask before you grab one
When will I get it?
Each onesie is made to order: about 3 weeks for production, then about 3 weeks for shipping — most orders arrive in 4-6 weeks. That's exactly why early access exists: order now, beat the Christmas rush.
What's your return policy?
30 days from the day it lands. If it doesn't fit or it isn't what you hoped for, message us and we'll sort out a return or exchange. Items should be unworn and in original condition.
How do I pick my size?
Adult unisex S through XXL — check the size guide above. The fit is deliberately roomy and plush, so if you're between sizes, size up. The booties are generous and fit over regular socks.
Do I get tracking?
Yes. Every order ships fully tracked, and you get a tracking link by email the moment your set leaves the facility.
How do I reach you?
Email allswangbusiness@gmail.com and a real human answers, usually within 24 hours. Order number in the subject line speeds it up.
Is shipping really free?
Yes — free shipping on every option, single, duo or trio. No minimum, no surprise fee at checkout.