This expression is supposed to imply a juxtaposition of a crass or offensive action against something that is held as sacrosanct by someone else.
Coined by Ben "Yahtzee" Croshaw
Coined by Ben "Yahtzee" Croshaw
"For four, what the fuck happened to Clive Winston, you pricks?! In his place we've got some multicoloured, giggly J-pop creature, and you can't play classic rock with that...thing. It's like cock-slapping the Mona Lisa."
-Ben "Yahtzee" Croshaw in his Guitar Hero III review
-Ben "Yahtzee" Croshaw in his Guitar Hero III review
by Platitude May 27, 2015
Get the Cock-Slapping the Mona Lisamug. A sex act when a young "artist" tricks an old dirty art teacher into holding up a empty picture frame. He then shoots "patronage" (i.e. semen) all over her face through the frame, and earns his A.
by SukyPirate November 16, 2009
Get the The ol' Mona Lisa Twistmug. 
To pull a robbery ; typically lured to a hotel by a beautiful women to a motel to be robbed by waiting men.
by Charlie Humboldt January 26, 2024
Get the Mona lisamug. by Bryant Bille May 30, 2022
Get the mona lisa handshakemug. To mona lisa is as if one embodies a famous painting, becoming a still, quiet, person on the wall just hanging there and when you want to either scare rob or sneak up on a nigga then you being the painting actually jump off the wall and attack or do whatchu gotta do Mona.
Ok pal, you go in there and assume the possition til i get home boy in this bitch and when i say the magic word you gonna mona lisa this bitch take his money and keys then we gonna run.
by TaterJ May 29, 2021
Get the Mona Lisamug. me complaining to my mum
teenager : 'mum I feel ill - don't think I can go to school today, mum my hair looks bad, mum why do I look like chicken little'
mum: 'pumpkin pie stop being a mona lisa'
mum: 'pumpkin pie stop being a mona lisa'
by Custard&mayo February 28, 2019
Get the mona lisamug.