TOSS UP is a term used in many sports, particularly in American football and basketball. It refers to a play that starts with a coin toss to decide which team will have possession of the ball. The two crossword solutions for TOSS UP are LOB (3 letters) and LOFT (4 letters). LOB stands for 'long oblique pass', which is a type of pass thrown by a quarterback in American football. LOFT is a verb meaning to throw or propel something into the air.