also NHIFF-NHAFF, NIFF-NAF, NIF-NAF, NIFFY-NAFF, NIF-NIFF
1. a small person; one who has not attained full strength ...1822 Scot.
2. a trifling or unimportant thing or matter; something of little value;
a knick-knack, a trifle, a bauble; anything very small
...1838 Scot. & N. Eng. dial.
3. fussiness of disposition; a silly peculiarity of temper ...B1900 Scot.
4. dust under a bed ...1950 Amer. dial.
vb. to trifle; to toy; to take finicking trouble; to talk or act
foolishly or aimlessly ...1728 Scot. & N. Eng. dial.
of obscure formation
1724 - The Tea-Table Miscellany, or a Collection of Scots songs, Edited by Allan Ramsay;
see Example below
From: The Tea-Table Miscellany
By Allan Ramsay
Printed by Mr. Thomas Ruddiman for Allan Ramsay, 1724
There's My Thumb I'll Ne'er Beguile Thee