Testicless
Literally 'without testicles'. Used to either state that something doesn't have any testicles, or to imply cowardice (i.e. doesn't have any balls).
"I think that's a chick with a dick..."
"No way! She is testicless."
"I can't jump off that!"
"You are testicless."
"No way! She is testicless."
"I can't jump off that!"
"You are testicless."