the term 'puff' can be added before a word for fun if you are bored and have nothing better to do. love puff was the original term, but over time more and more phrases have come into common knowledge. a love puff is a close friend to you.
examples of the use of puff: funny puff, love puff, silly puff.
A silent fart released whilst in bed with your partner, that you were hoping wouldn't smell, but does. By calling it a 'love puff', you hope to maintain some level of cuteness and overcome the curse of the bad smell that threatens to ruin an otherwise romantic moment.
When a person farts under the covers and holds the blanket down so the bodily gases do not escape. When it has reached its peak of stinkieness, he or she releases the intoxicating sent in small "puffs" with 5 to 10 second inervals sharring the gases with a lover, freind, or family member.