No deb available, so we are going to install it from source.

First, we install the (development) packages needed to compile Pidgin IM.

sudo apt-get build-dep gaim

We remove gaim.

sudo apt-get –purge autoremove gaim

We download pidgin to the home folder and extract it.

cd ~
wget http://heanet.dl.sourceforge.net/sourceforge/pidgin/pidgin-2.0.0.tar.bz2
tar xvjf ./pidgin-2.0.0.tar.bz2

We compile and install Pidgin IM.

cd pidgin-2.0.0
./configure
make
sudo make install

We test Pidgin IM by running pidgin.