props exclamation 1noun 2 exclamation1 •(slang) An acclamation of respect or recognition. noun2 •[plural only] (slang) Respect for, or recognition of, another person; an expression of approval or a special acknowledgment; accolades; praise.I've got to give props to Roger for the way he handled that situation. •(no longer used) A game of chance using four seashells (each called a prop).