Pashing is a slang term that is commonly used to describe kissing or making out passionately with someone. There are numerous synonyms for pashing, which often vary by region or context. Some of the most common synonyms for pashing include necking, smooching, snogging, canoodling, kissing passionately, making out, French kissing, and lip-locking. Each of these terms refers to the act of engaging in passionate physical affection with a partner. Depending on your personal preference or cultural norms, you may have a different word for pashing, but ultimately, they all refer to the same intimate act.