knobulate

To rotate a knob clockwise then anticlockwise in quick succession.
To create some interesting filter sweep effects take hold of the filter cutoff control and knobulate vigourously.
by tom101 August 04, 2003
Get the knobulate mug.

glopper

One who glops; A masturbator.
Paul Browning was thought to be the biggest glopper in Mid-Wales until his crown was taken by the arch glopper, Peter Evans.
by tom101 August 04, 2003
Get the glopper mug.