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3.
The current house speaker (R-Ill). Not previously defined in the Urban Dictionary since he is generally such a quiet and un-noticed political entity. Unlike such prior falmboyant figures as Newt Gingrich and other republican gems who have crashed and burned, he accomplishes approximately as much without being noticed...a rather huge accomplishment in the field of politics.
Dennis who?????
by Ted June 13, 2004
 
1.
The third most powerful man in America; the longest-serving Republican Speaker of the House of Representatives in the history of the United States; a former high school teacher and coach; a genuine human being known for his straight-talk and Midwestern values; works hard during the week in Washington and comes home during the weekend like most Americans, unlike run-of-the-mill politicians who aren't in touch with their constituents or reality since they spend all their time in Washington, DC.
Dennis Hastert: the coach is my speaker.
by acb October 14, 2006
 
2.
1. A man who thought it was more important for Republicans to win in Florida than it was to protect underage Congressional Pages from being preyed upon by former Rep. Mark Foley.

2. A man who puts his own party ahead of his country.

3. A man who is an enabler.
Dennis Hastert did nothing when people came to him expressing concerns about Mark Foley sending inappropriate emails to Congressional Pages.
by Faux Pas October 08, 2006