A Lamby is a term that can be used as a
noun or adjective that is used for those who don't understand if things should be brought up or not; this counts as going behind people's
backs, ignoring someone's wishes, and proceeding to
ask for forgiveness. Used mostly in the States, Lamby is a term that not many people use but when it is everyone agrees to know the background of the term or not.
"Dude John is such a lamby, he told my crush that I liked her" "no way bro what the
fuck is wrong with him"
and "You
see that lamby over there?" "yea why" "don't tell them
anything"