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A pet name for herpes, a venerial disease common among the lower classes within society. Used mainly by couples who dont wish to talk to much about someone's "dirty problem" and by friends who know the "secret code".
"Hey dude, you getting any action this weekend?"
"Nah man, my girl's got the grumpy lumps!"
by Brny August 07, 2006

Words related to Grumpy Lumps

herpes disease sex slag slut