pentathlon 

The act of scaming five chicks in one night.

D-Mac: Hey Ben, did you go to the 'stang on Friday?
Ben: Sure did, had a few Black Ices, got out the camera phoney, said hi to Artur, and did a pentathlon.

pentathlon by D-Mac April 22, 2004

American Pentathlon 

An American sport similar to the Olympic pentathlon, in which competitors compete in stock car racing, throwing (American) Footballs through toilet seats, hot dog eating, M16 automatic rifle marksmanship, and lite beer drinking.

I competed in the American Pentathlon event at the Amerilympics.

American Pentathlon by Musty Musk Man March 30, 2025

Pentatonix 

An a capella group that officially began their singing career after winning Season 3 of "The Sing-Off," the group consists of Scott Hoying (baritone), Kirstie Maldonado (soprano/alto), Mitch Grassi (tenor), Avi Kaplan (bass), and Kevin Olusola (beatboxing percussionist). Pentatonix derives their name from the number of members in the group and from the pentatonic scale in music theory, with the c changed to an x for stylistic purposes. The group first began with the original trio of Scott, Kirstie, and Mitch from Arlington, Texas who decided that in order to effectively compete in "The Sing-Off," they needed a bass and beatboxer. Kevin (beatbox) was found by Scott on Youtube after watching Kevin's video of him beatboxing while playing the cello. Avi (bass) was contacted by the trio and joined up after seeing the three in a Youtube video. After winning on Season 3, the group signed a record label and was soon touring the United States. Their specialty is doing covers of popular music while adding in their own special breakdowns and futuristic musical effects, thanks to Kevin and Avi, with Scott, Kirstie, and Mitch focusing on melody and harmony. Some of their most popular covers are "Video Killed the Radio Star" by the Buggles, "Dog Days Are Over" by Florence and the Machine, and "Aha!" by Imogen Heap.

"Oh, dude! What band are you listening to? They sound so cool!"
"Man, I'm listening to Pentatonix! It's so hype!"

Pentatonix by PTXLover December 19, 2012

Pentatonix 

Pentatonix is an a capella band with five humans (probably marshmellows or beans) that can REALLY sing. Once you stop listening to their music, you can't stop.

"Am I in heaven?"

"No you just forgot to take off your headphones and you're listening to Pentatonix."

Pentatonix by CerealKiller :3 January 18, 2018

Pentatonic Wanking 

Overuse of the pentatonic scale in music . The definition of SHITTY GUITAR SOLOS

One by metallica is a good song, but the solo is just pentatonic wanking and fucking tapping

Pentatonic Wanking by Knibnobber February 10, 2015

sodium pentathol 

Chemical formula: C11 H17 O2 N2 S Na

Sodium Pentathol (less commonly known as sodium thiopental) is one of the three chemicals used in lethal injection, is used as a truth serum in several states due to the effect it has on your mind, and is the quickest and easiest way to medically induce a coma.

Sodium Pentathol was discovered in the early 1930s by Ernest H. Volwiler and Donalee L. Tabern, working for Abbott Laboratories. The term "sodium pentathol" is coined by Abbot Laboratories.

It is also a song by the thrash metal band Anthrax

In the lethal injection of Oklahoma bomber, Timothy McVeigh, Sodium Pentathol was injected into his system along with two other chemicals

sodium pentathol by Steven Grant June 18, 2007

pentaphonic 

the use of 5 sound sources in surround sound applications, e.g. 5.1

That music is so pentaphonic

pentaphonic by Garry Ladd June 29, 2005