Top definition
Someone who likes all your Facebook posts, even the inappropriate ones. Usually your mother, aged between 55-70, who has a rudimentary understanding of how to use the computer and the internet.
I just posted to Facebook, "Who the fuck wants to see Miley Cyrus twerk?" and my mom liked it.

Dude, you're mom is such a likasaurus.
by blueberryy February 17, 2014
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