The act of stuffing a girls vagina full of onions, and then proceeding to eat her out until all the onions are gone.
Luke: Hey man, have you seen the onions around?
Tyler: Ya, sorry! I was cookin' onions in the oven with my gf last night!
Tyler: Ya, sorry! I was cookin' onions in the oven with my gf last night!
by Not Mike M November 15, 2013