It's a message to embroider on a pillow, when you're done affixing your topknot.
From the guardian.co.uk
Her skin was glowing, her makeup minimal and her hair was thrown in a messy topknot.
From the huffingtonpost.com
I mean, if she's an Asian chick with a topknot, I might be less impressed.
From the positivesharing.com
Make a twisty topknot from remaining sheet of phyllo and place atop cheese.
From the kansas.com
Add the exaggerated, twisted topknot to your natural hair and secure with bobby pins.
From the huffingtonpost.com
It could be a hat, a topknot or a depiction of hair pulled tightly into a circular mound.
From the ocregister.com
The tang of the filling plays nicely against a sweet topknot of meringue.
From the washingtonpost.com
Our destination was a sliver of white sand with a topknot of pines.
From the guardian.co.uk
They need strong stakes however, as the stems are rather spindly in relation to the topknot.
From the independent.co.uk
More examples
Headdress consisting of a decorative ribbon or bow worn in the hair
Showy crest or knot of hair or feathers
(topknotted) crested: (of a bird or animal) having a usually ornamental tuft or process on the head; often used in combination; "golden crested"; "crested iris"; "crested oriole"; "tufted duck"; "tufted loosestrife"
Long, silky, fluffy or woolly hair on top of head (e.g. Australian Terrier, Bedlington Terrier, Poodle).
A tuft of longer hair on top of the head.
The tuft of long, wooly, or silky hair atop the heads of some breeds. i.e. Shih Tzu
(HAIR +) [5:] touches FT to top of head.
A hairstyle worn by all kender. A topknot is a long pony tail worn at the top of the head.