HIITB 

Acronym for: Hit It In The Butt

I HIITB last night, now Julie can't walk straight!

HIITB by stale February 25, 2003

HIITB 

Anal Sex

Stale likes to HIITB with Marasamus, although, they try to deny it.

HIITB by anon-e-mouse August 2, 2003

HIITB 

puloo's preferred sexual act.

HIITB by Anonymous July 16, 2003

HIIT

Acronym for High-Intensity Interval Training, a cardiovascular session which involves a warmup period, several short, maximum-intensity efforts separated by moderate recovery intervals, and a cooldown period. The period of alternating effort and recovery intervals typically lasts a total of 15-20 minutes.

"Dude, what's your secret to all that weight loss?"
"A good diet, HIIT 3-4x per week, and a hot chick I wanna fuck for motivation"

HIIT by SammyAbaby July 2, 2008

hiit workout 

A workout consisting of about forty-five seconds of hardcore exercising, followed by a fifteen-second rest, repeated for a few reps

Those HIIT workouts really paid off-look at how much weight I've lost!

hiit workout by mogwaipanda May 4, 2018

hitbag

the aftermath of any size bag of weed. containing enough for only one hit.

Hey man did you bring that dime you bought earlier?

No dude i got into it and all i got is a hitbag if u want it...

hitbag by rassla March 20, 2009

Team HitB 

HitB stands for Hope in the Backpack. HitB is a group of gamers that play online video games to raise awareness for cancer. They also raise money to donate to cancer research. They play on xbox 360, PS3 and PC

Dude, Team HitB is so awesome.

Team HitB by Assaultion May 8, 2013