Swilker

=

To splash about / Spill liquid untidily

In the black country we say:

Swilker

This translates to:

To splash about / Spill liquid untidily

Example Sentence
Stop swilkerin' yer tea everywhere!
Description
'Swilker' is a Black Country dialect verb meaning to splash liquid about, or to spill it untidily, often by shaking or unsteady movement.