twacky 

a twacky is the shudder that goes up your spine when you are taking a very relieving piss.

"i was takin' a piss and i had a huge twacky and accidently peed on the floor."

twacky by ryan April 1, 2004

twacky 

To have the qualities of a stimulant, such as meth. This can include feelings of jitters, excess energy, paranoia, restlessness, etc. See twack.

1. I drank too much coffee and now I feel all twacky.
2. Sue did some twacky ecstasy and stayed up all night.
3. That guy is so twacky that he must do a lot of speed.

twacky by Alia V January 9, 2009

Twacky 

Twitchy and Wacky
Occurs in runners and other athletes when they have too much energy. Sometimes subtle, sometimes painfully obvious.

Lily hadn't gone running in 3 days, so as she really twacky trying to sit through class.

Twacky by DaffodilGurl February 5, 2010

TWACKY 

Nasty taste in your mouth, often after consuming something or something not so pleasurable

awww that gum has left a twacky taste in my mouth,

that's so twacky I wont be doing that again,
I shouldn't have burnt the candles at both ends last night wrecking it up I have got severe morning after twacky mouth gross!

TWACKY by MoJo701 September 18, 2007

twacky 

in bad taste, but expensive

mentioned in The Liver Birds, series 5, episode 3, where Carol dismisses am expensive pair of shoes belonging to Sandra's mother as twacky

twacky by nemoHove February 28, 2009

twacky 

Meaning both tacky and wack

Man the fit look twacky as fuck.

twacky by ClairoFanpage November 10, 2020

Twackered

The feeling one has when one has been awake for to long on a variety of substances, primarily ecstasy, cocaine, and/or crystal meth.

Dude I took my last E pill five hours ago and now I'm just straight twackered.

Twackered by Rellik Uzi August 14, 2010