Top definition
(n) A luminous mushroom; A user of Facepunch with 60 thousand hobbies.

Sometimes spelled as Luminoushroom when describing an illuminated mushroom, not a lumen (Measure or light) added with a mushroom.
That lumenshroom was delicious. Hopefully it wasn't radioactive!

Lumenshroom is showing us ANOTHER hobby.
by Lumen June 19, 2008
Mug icon

Golden Shower Plush

He's warmer than you think.

Buy the plush