Short for "January tan" which can mean either a winter wind burn/frostbite from extreme cold or a actual subtle tan from an abnormally warm and sunny winter day in January.
by RBike January 13, 2013
Get the Jan tanmug. the society of the uran tan is an elite society that walks the walk of the urangatang. If you are a member of the uran tan society you are an uran tan fan/ uran tan fan man.
by Smashed Smores October 13, 2020
Get the the society of the uran tanmug. 
He joined us in STD5 and he is a really nice dude. But mf is just too nice and wouldn't even let a girl go just forget bro. A HJ is always good at playing drums and has nice taste of music and mf is just so cute wanna squish his cheeks him. He makes all the boys a bit fruity and is everyone's go to uncle. Tan Hong Jun plays volleyball but is very skilled at playing all types of balls as well <3. This guy has so many assets I wrote an essay in BM for him and it is *essential* for everyone to have a Tan Hong Jun in their lives.
Girl 1: OMG look at this cute drawing Tan Hong Jun drew for me
Girl 2: O M G that is so pretty. He's like the cool uncle of the school.
Girl 1: Ikr he's hot as well. He's going to volleyball is this Sunday and all the boys are joining as well
Girl 2: OMG lets join I wanna see HJ Hit balls. :3
Girl 2: O M G that is so pretty. He's like the cool uncle of the school.
Girl 1: Ikr he's hot as well. He's going to volleyball is this Sunday and all the boys are joining as well
Girl 2: OMG lets join I wanna see HJ Hit balls. :3
by Sussy Suster March 29, 2022
Get the Tan Hong Junmug. by anonymous April 2, 2022
Get the Tan Upmug. A pepperonni pizza with pineapple on it
by JoelSeventyTwo December 24, 2010
Get the Pepperoni with a tanmug.