The act of choking so violently on a huge cock, that the giver is choking and gagging. Hence, making a -deep, back of the throat quacking sound.
by sillydillyvanilly April 09, 2015

1. verb, to quack.
To talk crap.
2. verb, to quack.
To talk really fast so that only people on the same wave length or with special hearing aids can hear you.
To talk crap.
2. verb, to quack.
To talk really fast so that only people on the same wave length or with special hearing aids can hear you.
1. What was Dr Mallet quacking about in Physics?
2. Jeez did you hear Laura quacking? Swear I don't understand a word she says.
2. Jeez did you hear Laura quacking? Swear I don't understand a word she says.
by AJ_legend February 23, 2008

In a cycle race, when riders are bumping and grinding for a better position in the peloton. This sometimes results in riders being pushed off the road or into the "gutter."
After the race, Tom exclaimed, "Riders were quacking in the peloton all day. I almost got pushed into the gutter several times."
by headofsteam October 06, 2013

by Timmy Sanders April 14, 2006

Expression used when referring to someone that is a duck. Simulates the sound that the animal known as a duck makes. Appropiate when out in public and you see a duck but don't want to risk someone noticing the fact that you are insulting them. Orgin is the show Growing up Gotti, where there is the biggest example of a duck, a gentleman whose actual name is quack quack.
by Gregory G. October 19, 2005

When your dumbass boss or someone in authority tries to tell you what to do or Someone who talks too much.
by John Hopper November 18, 2004

by Stella Lafayette December 04, 2004
