fill one's pants

present singular third person fills one's pants · participle present filling one's pants · participle past filled one's pants · past filled one's pants

1. euphemisticslangTo defecate, urinate, or ejaculate in one's pants, especially as a result of fear or amazement.

   For the second time since a toddler, Theodore again came close to filling his pants.

   2013, Bob Samedi, Tinnitus, →ISBN, page 44

   2 more examples

   When these two rookies eventually came under fire he wondered which one would fill his pants first.

   2010, Robert Richardson, Java Bond, →ISBN, page 34

   Instead of filling his pants occasionally, such a child will soil them, just a little bit, almost constantly.

   2011, Penelope Leach, Your Growing Child, →ISBN, page 650

   Synonyms: soil oneself