stimming on
v.— «Nick started to walk on his toes, trail his hands on walls and developed an obsession or “stimming on” (in the parlance of those who deal with the correction of autistic behaviour) arranging boxes in rows or in neat piles.» —“‘Normal’ on the outside” by Merina Hew New Straits Times (Singapore) Feb. 9, 2000. (source: Double-Tongued Dictionary)
Further reading
The Rockefeller State Park Preserve near Pleasantville, New York, features a fine example of a glacial erratic, a giant rock left behind thousands of years ago by a glacier as it moved. In this case, the word erratic functions as a noun. Both the...
Debbie from Memphis, Tennessee, grew up in Arkansas, where she learned the term trade-last, which refers to “a quoted compliment offered in return for the recipient first offering one to the speaker.” Although those from the American South may...