自便

to do as one pleases / to not inconvenience oneself

self / oneself / from / since / naturally / surely

plain / informal / suitable / convenient / opportune / to urinate or defecate / equivalent to 就[jiu4]: then / in that case / even if / soon afterwards

used in 便宜|便宜[pian2 yi5] / used in 便便[pian2 pian2] / used in 便嬛[pian2 xuan1]

to allow sb to do sth at his convenience