the act of a person becoming less than their mother would wish them to live up to, or degrading themselves in some serious way.
Also "sliper" a person who is actively sliping.
"Sliped" to have sliped.
Veronica is sliping by having that baby. Ted pulled a huge slipe when he quit college/quit his job/broke up with Amanda.
To slipe - a dog shuffling along the ground on two legs, scraping its arse on the floor to clear blocked anal glands. The equivalent of a good human scratch, usually caused after too much rich food.
The art of slipping through bogs at night timeunder the influence of tableteys. Apprentice slipers normally wear snorkles but as the bog artist becomes more experienced the need for a snorkle lessens as they grow bog lungs.
When the target of a sniper suddenly slips or bends over the exact moment that the sniper fires his bullet, allowing the bullet to miss him completely, and leaving him unaware that he was seconds from death.