Semi-skimmed homo (sem•ee•skim•ed•hoe•mo)
When you have that one friend that adds "no homo" to the end of every homosexual thing they say, you refer to them as a "semi-skimmed homo" (1% homosexual).
"I want her to sit on my face. No homo. I'm straight I swear."
"Alice, you're a semi-skimmed homo."