The action of placing one's head on someone's shoulder to indicate extreme affection for them. This action is to be considered one of the most intimate forms of physical interaction.
Dude, I was totally nixoning with this girl last night. It was awesome!
When you get so drunk that you turn into Richard Nixon when you have to deny wrongdoing, and affirm that you are not a crook, usually whilst throwing up peace signs.
Gregg was Richard Nixon'ing hardcore last night, he went into the gas station and stole a soda and yelled at the cashier, "I am not a crook!" as he threw up two peace signs.
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.