The word "buss" is an archaic term for a kiss. Since it is no longer a commonly used word, people may be unfamiliar with it or find it confusing. Therefore, it is useful to know some synonyms for "buss" such as "peck," "smooch," "smack," and "kiss." A "peck" is a light, quick kiss, while a "smooch" is a longer and more intimate kiss. A "smack" can also mean a short, quick kiss, but it can also refer to a loud noise made when kissing. "Kiss" is the most common and straightforward synonym for "buss," but knowing a variety of words can help express different levels of affection or playfulness.