A skeeboo is most likely a teenage boy and on the occasions a female. Often skeeboos are found to be wagging class or smoking pot. They are called skeeboos because one of their main catchphrases "Skeeeee". Other phrases you may here skeeboos say are "Ehh Ehh" and "Margo tamn". Typically they are rude to teachers or classmates.
Normal kids can become skeeboos if they are around dominant males for to long.
When trying to be discrete among kids, old ladies, or the neighbors, use this word twice in succession when describing the act of having sex. Say it fast and with a higher than normal pitch. Add a knocking air knuckle motion when saying this, imagine knocking on a door and that is the motion. As a fun option, add a clicking sound out of the corner of your mouth like you are calling the cat.
"Hey Courtney, that was a great day huh ? How about a little SKEECOO SKEECOO now to make it the perfect day ... "