1. An adjective used to describe bullshit that makes you laugh due to the level of inaccuracy and falseness
2. An adjective used to describe someone who frequently
lies and makes false statements to the
point it entertains anyone listening.
3. The objective of the board
game "Malarky"
Eric: Dude, I fucked that
chick all night
long.
Gabe: LOL, that's liarious!
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Phil: I am so much sexier, smarter and cooler than you.
Peter: OMG, you are one liarious dude.