go to the bathroom / go to the toilet / answer the call of nature
ようたしする
youtashisuru
用足しする JN1;JVE
go to the rest room / go to the bathroom / going to the rest room / going to the bathroom / go to the toilet / answer the call of nature / use the toilet
ようたしする
youtashisuru
用達する JN1;JVE
go to the bathroom / go to the toilet / answer the call of nature