The female equivalent to "cock-block". The 'g' in vag doesnt have a 'j' sound.
Fat Broad: "That blonde thinks she gonna' take that hottie home? Well it's time for me to vag snag her ass!"
The Female equivalent of a cock block. When a female does something that prevents another female from having sex.
Alyssa: "Wow Jilian is such a Vag Snag, she stole the drink that guy sent me."
Max's pants got snagged and ripped off by a tree branch on the nature hike and he had to walk home in underwear.