[zukkokeru] (v1, vi) (1) to fall down (e.g. off a chair); to slip down (e.g. one's eyeglasses); to slide down; (2) to make a fool of oneself; (3) to whoop it up; to be on the spree; to cut loose; to mess around
[きりはなつ, kirihanatsu] (v5t, vt) (1) to cut loose; to let loose; to cut off; to detach; to dismember; to cut in two; (2) to separate in thought; to consider as independent