1) An event where people meet to have drinks after work.
2) Going to a date with someone while having drinks. It can start in a bar and may end up in bed.
Coming down from subspace after having some form of sexual intercourse and then being taken care of. The care after sex. It can be cuddles, bathing, etc
After I fucked my sub out good, I washed him up in the bathtub and snuggled with him for aftercare.
Parts made by an outside firm to replace OEM (Original Equipment Manufacturers) parts. Commonly used in automotive purposes, but the aftermarket exists in virtually every industry.
In other words, these are NOT "Genuine <fill in name of manufacturer> parts." The quality of aftermarket parts can vary widely, some engineered to be better than the originals, some poorly fitting and otherwise inferior crap. Caveat Emptor when buying aftermarket parts! But sometimes when the original parts are discontinued or the manufacturer has gone out of business, the aftermarket may be your only choice.
NAPA and J.C. Whitney are two of the larger aftermarket auto parts suppliers.
Quality Discount Press Parts and AAA Press are pretty much the only aftermarket suppliers of note in the flexo printing industry.