Artificial intelligent assistant

snirtle

ˈsnirtle, v. Sc. and north. dial.
  [f. prec. + -le 3.]
  intr. To laugh in a quiet, suppressed, or restrained manner; to snigger.

1785 Burns Jolly Beggars xlii, But though his little heart did grieve.., He feigned to snirtle in his sleeve. 1824 Mactaggart Gallovid. Encycl. 112 The Dominie..fain wad fa' a laughing; He snirtles wi' his neb and snirks. 1887 J. Service Life Dr. Duguid iv. 26 Her aul' worl' cracks and stories often mak me snirtle and laugh.

Oxford English Dictionary

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