Sc. and north. dial. Also smoodge. [Of obscure origin; connection with G. dial. schmutzen (MHG. smutzen) to smile, is very doubtful, but cf. next and SMOUCH v.1] intr. To laugh quietly or to oneself.
1808. Jamieson, To Smue, or Smudge, to laugh in ones sleeve, to laugh in a clandestine way. Loth[ian].
1823. Blackw. Mag., March, 312. Ye needna smudge and laugh at me now.
1828. Moir, Mansie Wauch, xvii. Arm-and-arm together, smoodging and laughing like daft.
1861. R. Quinn, Heather Lintie (1863), 96. Weel may he smudge within his sleeve At our attempts his snares tae leave.