cogner

Etymology
, ultimately from.

Verb

 * 1) to whack, to bash, to thump (hit hard)
 * 2) to pound
 * 3)  to bump oneself
 * 1)  to bump oneself
 * 1)  to bump oneself

Verb

 * 1) to have to; must

Verb

 * 1) to have to; must