Verb (5-dan, く, transitive)
1.  to strike;  to clap;  to knock;  to beat;  to tap;  to pat
2.  to play drums
3.  to abuse;  to bash;  to flame (e.g. on the Internet);  to insult
4.  to consult;  to sound out
5.  to brag;  to talk big
6.  to call;  to invoke (e.g. a function)