1.
errand; doing business; running an errand
going out to take care of some task or business
Usage
- 用足しに行く (to go on an errand; to go to the bathroom)
- 用足しをする (to run an errand; to use the toilet)
- 用足しに出かける (to go out for errands)
SENSE 2 (Euphemism):
A polite, indirect way to say one needs to use the bathroom. Common with children or in formal situations.
Other bathroom euphemisms
- お手洗い (bathroom - lit. hand-washing)
- トイレに行く (to go to the toilet - direct)
- 御不浄 (lavatory - very formal)