The FACK algorithm is based on first principles of congestion control and is designed to be used with the proposed TCP SACK options. By decoupling congestion control from other algorithms such as data recovery, it attains more precise control over the data flow in the network.
"FACK my network, please"
by Serafim February 07, 2007
the act of having a woman make you cum numerous amounts of times, usually with the presence of a tube with a gerbil in your colon. it must be nibbling on your asshole for ultimate effect.
Dude, last night i was with this chick and we went so hard we facked. by the way, your gerbil is dead.
by KoNcEpT61 September 04, 2008