A combination of the words weeaboo and boomer. It's an old man and/or woman who enjoys the anime genre.
"My dad watches anime he's such a weeaboomer."
22👍 3👎
Its just a rather convoluted and inconvenient way of calling someone a homosexuel.
1) Shutup you potatochriscar
2)Son its ok if you're potatochriscar we'll still love you