peg down

verb

(tr, adverb) to make (a person) committed to a course of action or bound to follow rulesyou won't peg him down to any decision
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Examples from the Web for peg down

  • Now the rules for a peg-down fishing match are few and simple.

    Cardigan|Robert W. Chambers