The nickname for future Apple MacIntosh computers which will run on Intel processors.
Macs used to run on PowerPC, but now, it will be a MacIntel, just like Microsoft's Wintel
A Macintosh computer that uses an Intel processor.
geek: "I was waiting for a G5 PowerBook, but now I'm going to get one of those new Macintels."
dude: " 'Macintel?' What the fuck is a - oh, wait, I get it. Did you make that up yourself? Congratulations. Go post something on Slashdot."