Here I am thinking the buttercup was when you "cup" your hand after you release a fresh fart and scoop it towards your victims nose shouting "buttercup!!!".
Apparently not.
According to Urban dictionary, it is...
when a guy brings a girl to climax using only his stubbled chin. also known, to some lucky few, as hot lambing. originated in Canada when someone with a really bad cold sore had to use their chin in performing oral sex.
All this time I was wondering whey the girls who asked me to buttercup them got so angry
Apparently not.
According to Urban dictionary, it is...
when a guy brings a girl to climax using only his stubbled chin. also known, to some lucky few, as hot lambing. originated in Canada when someone with a really bad cold sore had to use their chin in performing oral sex.
All this time I was wondering whey the girls who asked me to buttercup them got so angry