A small amount of shit that exits the body before a monster shit. The act of shittling is when you shit just enough to leave a light skidmark or trail in your underwear but not enough to soil.
After eating chicken wings, chili and dairy queen and jackin' it to a movie…. he stood up and saw shittle in his bed.
The annoying habit of jiggling one's leg under a table or desk. Usually the offender is not aware of the habit but unfortunately, the surrounding people are well aware of it.
An exasperated person would look at the person sitting next to them and say, "Stop shittling!"