A word that is said after observing someone else getting hurt/insulted. Usually said in a group a the same time.
When this word is said the right hand usually covers his/her mouth. The oooo sound on the end of the word is carried out for as long as the person desires
Captain America: Civil War was pretty swoo.
Justin Beiber is swoo
Hitler and the Nazis were really swoo
Urban Dictionary is a swoo website
The list goes on
A combination of the words "sweat" and "poo".
Describes the odorous substance found in your arse crack, often after strenuous activity, or if personal hygiene is not prioritised.
-Jesus Mike, what have you been doing? You reek of swoo!
-Ahh, time for a shower then...