What is the meaning of Sinke?

Person, especially (school) children, who is lacking in intelligence compared to their peers.

fool, idiot

to delay

tenon

to tenon

partitive plural of sink

inflection of sinken:

1. first-person singular present
2. first/third-person singular subjunctive I
3. singular imperative

first-person singular present

first/third-person singular subjunctive I

singular imperative

to sink

to sink

Source: wiktionary.org