Mash avocados in a large bowl with a fork or pastry cutter. Adjust thickness is your preference.

Add tomatoes, onions, jalapeno, salt, lime juice, and cilantro. Mix thoroughly.

Transfer to serving dish.

Spoon sour cream into a plastic baggie and cut a very small hole in the corner. Use baggie to pipe lines on the guacamole to make it look like a football field. Be sure to save a bit of sour cream for the final step. 

Spoon refried beans into a second baggie, again cutting the corner. Pipe the shape of a football on top of the guac, and then fill in the football shape. Use the back of a spoon to smooth over the football.  

Use the remaining sour cream to add the stitching to the football.  Serve immediately.