Messing around, not paying attention to important details.
You sliping son, and that other kid, I dont know his name, but he slipping too.
1. on the downward trend.
2. losing the edge.
3. falling into error.
4. not paying attention.
When an age regressor regresses into their younger headspace
We noticed her slipping in the hallway between classes
When a romantic relationship has been terminated but the people involved continue to sleep together.
Broken up but still sleep together/hook up.
Emphasized based on likelihood of reunion.
"Jordan and Jamie broke up a while ago but they're definetly still slipping."
Its like tripping on a drug only it is used for drugs such as:
chrono-rib, steez, candy-teeth, pex, treep, grope ope, ONain, Pope's Vagina, and OPD
A perfect acceptable slang for slippers used by respectable adults
Suzie should call them slip-slips and not slippies