Define Says Hi Meaning

Aplies when you are talking to a girl and one of your friends tell you to text her 'Hi'

Fred says hi means literally " I am high" but in another term.
The term was originated, from when you smoke weed you are two sided ( schizophrenic ). You are a different person when u smoke weed there for its not *you name* says hi.
Although you do have control when you are high, unlike alcohol, you still get those trips where u feel like you can not control the high. I.E Fred has taken over.

Its fred, because fred has taken over.
It has been used as a slang all over high schools so that the straight edge kids got no idea, nor do the teachers and parents as well. But what i find is that if you continue to use it constantly everyone will know the term "Fred says hi" and in fact everyone will use use it. Including the teachers

A phrase someone might say in an online text chat when the other person says something that they think is worth exposing (usually idiotic) to Zodiac Duelist, a Yu-Gi-Oh! Facebook group, by way of a screenshot post.

masturbating at a high rate of speed

One terrific band, that goes unnoticed. Everyone should have a chance to hear this "melt in your mouth" chocolate of music. (Clann Zu is also a great band) Listen to this band and have much fun enjoying the taste.

This means the person is saying he was witrh your mom last night and she said hi .

Radio friendly way of telling someone to go to hell.

Term coined on "The Dan LeBatard Show with Stugotz"

Line from "Back to the Future" 1985, Universal delivered by Biff to Marty McFly after Biff has wrecked the McFly family car, had it towed back to the McFly residence and denied responsibility for it.

Biff desired Marty's mother when he, Marty's mother (Lorraine) and Marty's father (George) all attended high school together and Lorraine choose George opposed to Biff.

Biff is still stinging from it some thirty years later and has no problem taunting Marty with an inappropriate and disrespectful comment that he still desires Marty's mother, a married woman.

An expression used after a coffin-nailing slam, coined from the oft-used phrase by characters played by Marky Mark Wahlberg, and lampooned by Andy Samberg on Saturday Night Live.

A phrase implying that the person saying it "knows" your mother, but in the biblical sense; and that your mother is a woman of easy virtue. Interpretation depends on the context, of course. In the long tradition of putting down someone else's mother as a way of putting them down. Alternatively, just "say hi to your Mom."