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1.
take everything that can go along with making out and then minus the tounge. kissing alot in a heavy matter.
girl 1: how was the party last night?
girl 2: it was pretty good, i ended up macken with tom for awhile, so that was fun.
by the girl next door December 30, 2007
 
2.
To mack or kiss another
Dude,quit macken on my sister.
by Anonymous September 09, 2003