1.A phrase used at the end of a story that had really no point to be told to someone. Often, it is used at the end of a boring story to make it seem more interesting and worthwhile. Alternate versions of this phrase include "and then I found five dollars" and "and then I kicked a hobo", however, this phrase emphasizes how we are all really "cousins" in a universal context, suggesting that it is ok to fuck your cousin.
2. Often used as a true statement.
Max: Everything was great! We were all getting drunk, having a good time... and then I fucked your cousin...
Pedro:Well, at least your sister is now up for grabs...
Having sex with one's cousin, whether drunk or sober, whether well acquainted or not.
See faire
ok, uhm.... Well my first experience was when I was 15... and she was my girlfriend... my weirdest experience was when I had sex with my cousin... well, it's weird but I hadn't saw her like 6 years.. so she was like a friend, but she's actually my cousin . She lives in other country...
An extra stupid gnarly looking guy...a derp derp. A cousinfucker is either someone who'd be fucking their cousin or they're the fugly product of cousinfucking.