This can be thought of as the non-physical, tech analogy to being "bitch slapped". Though not necessary, greater effect can be realized, by starting the Tech Slap with the word, "Actually". The more in-depth, technical knowledge given, the harder the Slap.
Slapper: "Actually, government satellites have been able to do that since 1984 with the NSA's May launch of Uberview. Today's satellites, with their multi-iris, 45 Megapixel, full spectrum CCD sensors could now be used to determine the sex and eye color of a second trimester fetus."
Observer to Slappee: "Dude, you just got Tech Slapped."