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1.
mht
noun: acronym: mass holiday text. An informal, non-personalized text message that is sent to multiple recipients for the purpose of wishing them a happy holiday.
Happy Thanksgiving, Happy New Year, Merry Christmas, Happy Kwanza, Happy Memorial Day, Happy Labor Day, and any other mass holiday text that whips you throughout a holiday. It's best not to respond to these messages.

My family on Thanksgiving: "Wow, you're quite the popular one today."

Me: "Nope. I'm just getting the usual mht's. Let's just get back to carving this turkey."
by baber9 November 22, 2007
13 3
 
2.
MHT
Mutual head time

They hook you up with head so
You hook them up with a similar or greater amount
Applies to both male and/or female
Jason:So Pam was hooking me up so good I gave her some MHT

Freddy:Damn that must be good
___
Rachel: Ross ate me out so I had to give him at least MHT
by Mr.Clarke May 23, 2010
3 3