Noun. One who subscribes to an online dating site, but is much too lazy and/or too busy to respond to potential dates in a timely fashion.
Kim: How's it going with the online dating?
Becca: I haven't done much lately. I've been a matchslacker.
Becca: I haven't done much lately. I've been a matchslacker.
by MmmMichMeg February 7, 2010
Get the matchslackermug.