It is a physical ache caused by prolonged erection but doesn't actually affect the appearance. In other words, they look no different than ever and they aren't literally blue - it's just an expression.
blue balls The small intestine looks a bit like a coiled up hose.
clamperl is in a blue shell inside it is a light-blue tongue thingy with 6 little blue balls in the middle of all 6 balls a pink orb with a face is there if u don't know what i mean look it up on google images
They look like shiny balls.
It is out right now, just look it up!
If they have balls well then they are round xD
The look like what they sound like balls of clear jell that are sometimes jelly fish so dont touch them even afterr the are dead they still sting. They are really slimmy and i even found a blue one one time. They have a ton on the gulf at times. Hope this helped!
walnuts.
it look like a light blue witha ski blue
blue snails look like snails but the slimy bit of the snail is blue
They look like little ping pony balls!
The eggs look like are ping-pong balls.
clouds that look like cotton balls