"Vagina Face". Alone, it may sound silly, but combined with a nifty hand sign, it's unstoppable!
Make a "V" with your index and middle finger and place the tips of your fingers over your eyes (finger nails out). Your nose should be in the middle of the V. Much like the "I've got my eye's on you" gesture, but without the follow up pointing. Just a V over your face. with this little move, you can now call your office buddy "vagina face", and no one will be the wiser!
Forget "the bird", give 'em the "V"!
Your such a vaginaface. Grow some balls dude.
Alternatively, to have a face resembling a vagina. This includes facial hair, large lips, and, of course, acne resembling a clitoris.
guy 1: hey you see that vagina face over there
guy 2: hell yeah i would put it in her mouth
guy 1: most def!
guy 1: i need to get me some vagina face
guy 2: yeah you do! when was the last time you had a girl?
guy 1: shiiiit