I. poop 1 /puːp/ BrE AmE noun
[ Date: 1900-2000 ; Origin: Perhaps from poo-poo , or from poop copying the sound of farting (18-20 centuries) . ]
1 . [uncountable] American English informal solid waste from the ↑ bowel s SYN poo British English
2 . [singular] American English informal the act of passing waste from the ↑ bowel s SYN poo British English
II. poop 2 BrE AmE verb [intransitive] American English informal
to pass solid waste from the ↑ bowel s SYN poo
⇨ ↑ party pooper
poop out phrasal verb American English informal
1 . to stop trying to do something because you are tired, bored etc:
Dan pooped out about halfway through the race.
2 . to decide not to do something you have already said you would do, because you are tired or not interested
poop out on
‘Is Bill coming along?’ ‘Nah, he’s pooping out on us.’
3 . if a machine or piece of equipment poops out, it stops working:
The laptop’s battery pooped out after only two hours.