touch off

Also found in: Dictionary, Thesaurus, Medical, Idioms, Encyclopedia.
References in periodicals archive ?
GINGER McCAIN is dreaming of Aintree again after watching Lothian Commander just touch off Samuel Wilderspin in a thrilling Rutland Water Novices' Chase at Leicester.
Most important, he'll be filtering out any potentially dangerous germs which could touch off a bout of the dreaded "false hope."
In fact, their books are so provocative -- and illuminating -- that they are sure to touch off a good deal of furious debate.