This just made me laugh.

Folks have done many strange things over the years in an effort to beat the [breathalyzer]. In a case heard in an Alberta courtroom in March 1985, 28-year-old Dave Zurfluh who was stopped on suspicion of driving while under the influence ate his undershorts in the belief they would soak up the excess alcohol in his system. According to Constable Bill Robinson, the arresting officer, he heard 'some ripping and tearing' from the back of the cruiser. 'I looked in the back and he was tearing pieces of the crotch of his underwear out and stuffing them in his mouth,' Robinson testified.

Urban Legends Reference Pages | Take My Breath Away