“缘分”和“猿粪”为同音异意词。 曾经看到一个笑话，也许和“缘分就是猴子踩到长臂猿的大粪”有关： 有一天，猴子不小心踩到了长臂猿的大粪，长臂猿不好意思，赶紧给猴子擦干净了，后来他们就这样相爱了。再后来，有人问他们是怎样相识相爱的，猴子说：都是猿粪（缘分）啊！

agree with Isler. it's just a chinese phonetic joke getting popular in recent years

That's a pun. The pronunciation of "缘分"(fate) is the same as "猿粪"(gorilla's dung). So it's just a joke...it makes no sense.

"緣分" ≠ "猿粪" I think it is a joke , haha~~~