The act of showing a brother from another mother that you love him.
The act of straight men hugging or showing affection to eachother.
Expressing your feelings to your heterosexual lifemate.
Dudelovin (not to be confused with dudesexin) usually occurs at a wedding, after a divorce, during a break up, after an engagement, most of which are all accompanied by mass amounts of alchohol consumption.
Ian - Hey bro, did you hear Jeremy got kicked out of his house?
Eric - No man, we'll have to show him some dudelovin.