blow one’s lines

blow one’s lines

tv. to forget one’s lines in a play; to speak one’s lines incorrectly in a play. There I was in my first major role, and I blow my lines!
See also: blow, line
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • blow one's top/stack/fuse, to
  • cover
  • Blow on it!
  • blow over
  • grits
  • blow chunks
  • grocery
  • blow one’s groceries
  • blow (one's) groceries
  • a blow-by-blow account