Shlurking is likely misspelled.
Shlurking has no English definition.
As a verb sneaking is
present participle of lang=en.
As a noun sneaking is
the act of one who sneaks.
shlurking
Not English
Shlurking has no English definition. It may be misspelled.
sneaking
English
Verb
(head)
Noun
(
en noun)
The act of one who sneaks.
* 1915 , Charmian London, The Log of the Snark (page 108)
- Then there was much mirth and banter over the swift sneakings for home of certain men carrying large portions of puarka .