Green’s Dictionary of Slang

bamblustercate v.

[bam v.1 + SE bluster]

to hoax or confuse in a noisy manner.

[UK] ‘Nights At Sea’ in Bentley’s Misc. Dec. 616: I was reg’larly bamblustercated.
[UK]H. Baumann Londinismen (2nd edn) 8: bamblustercate.