loose, flabby ...Bk1892 Eng. dial.
1. loose, flabby flesh; anything loose and flabby ...Bk1868 Eng. dial.
2. stupid talk ...Bk1868 Eng. dial.
3. snow which melts in falling before touching the ground ...Bk1882 Eng. dial.
4. the soft flap of a wave on rocks ...1937 Newfoundland
1. to dirty, to soil ...1377 obs. rare
2. to sag and wobble; to sag and collapse like a deflating balloon ...1887
3. to flow against; to wash or splash over ...1888
(vb. 1) apparently onomatopoeic
(vb. 2) possibly a blend of 'flop' + 'wobble'
FIRST DOCUMENTED USE
1377 - see EXAMPLE below
"...And kouthe I nevere, by Crist! kepen it clene an houre,
That I ne soiled it with sighte or som ydel speche,
Or thorugh werk or thorugh word, or wille of myn herte,
That I ne flobre it foule fro morwe til even..."
(...And could I never, by Christ! keep it clean an hour,
That I ne soiled it with sight or some idle speech,
Or through work or through word, or will of mine heart,
That I ne flobber it foul from morrow till even...")
From: The Vision of William Concerning Piers Plowman
- William Langland