Someone who pretends to be gay, or makes 'Seedy gesture' eg. Cute bum.
Or someone who has something 'seedy' about them, like a dirty pedo moe.
someone who gets with a lot younger people, or extremely older is considered 'Seedy'.
someone who gets with lots of opposite sex someone who txts lots of the opposite sex
old male to youngishfemale, "you have a cute bum", smacks her on the ass. <--- very seedy