Brus″tle (�), v. i. [imp. & p. p.Brustled (�); p. pr. & vb. n.Brustling (�).] [OE. brustlien and brastlien, AS. brastlian, fr. berstan to burst, akin to G. prasseln to crackle. See Burst, v. i.] 1. To crackle; to rustle, as a silk garment. Gower.
2. To make a show of fierceness or defiance; to bristle.
To brustle up, to bristle up. Otway.