"To stiffen the lizard"
"To starve the lizard"
Amazingly - these are not euphemisms for getting an erection or not having sex. Which is weird, as the phrase "To choke the lizard" means to go to the toilet (if you're a mean). And as I am feeling naughty and cruel, I shan't be telling you what they are actually supposed to mean. Well, I will if anyone has a guess :g: