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2.
a term for people that like to eat girls out on their periods
Becky: OMG isn't Paul soooo hot!
Rachel: Yeah, but I heard he's a bloodmouth!
Becky: You mean like he eats meat?
Rachel: No, he's totally vegan, but I heard he ate Sarah out on her period and loved it.
Becky: Oooh kinky. I like kinky. ;)
by sisforsexysora August 16, 2012
 
1.
An insult or slur commonly used by vegans for people who eat meat, indicating their distaste for eating creatures that bleed.

Some omnivores consider this to be a compliment, finding the term funny or cool-sounding.
Padma: I understand the ethical ramifications of veganism, but it's not feasible for me right now, and anyway I like the taste of bacon.

Kane: I wish you weren't a bloodmouth. You're so enlightened otherwise.

Padma: Calling me that just makes me want bacon-wrapped baby-back ribs.
by J Peeta July 12, 2012