1. When taking a bath with someone else, the act of sliding past to the other side of the tub. One who commits this act is booching and is called a boocher. 2. If a sibling is snuggling with a parent, squeezing in between the sibling and the parent. Example: Hey, no booching.
BOOCH
Meaning of BOOCH in English
Slang English vocab. Английский сленговый словарь. 2012