2. Andrew S's dick.
3. A dick that cuases rippage in the pants when hard.
2. She said his tally wacker was so big, it blew his pants open and caused a major chain reaction throughout the volcanoes.
3. His tally wacker is so big that when he busts it's like a damn fire hydrant going off.
Orig. <French 'tallier'=pull + Western Irish mispronunciation of 'wanker'>