George Lopez Dems with Big D***s Don't Brag

3/5/2016 7:22 AM PST BY TMZ STAFF

George Lopez has a message for Donald Trump -- he's no shoe in to win the grand penis prize.

Lopez was at LAX Friday when a photog asked him about Trump's not-so-humble brag about his genitals.

And what a shock ... he had bad things to say about Republicans.