Offensive lines are a group of players in American football who line up on the line of scrimmage and block for the quarterback and running backs. The two crossword solutions for the term offensive lines are SMUT, which is four letters, and TRASHTALK, which is nine letters. SMUT is a slang term for offensive language or material that is considered to be indecent or obscene. TRASHTALK is a slang term for insulting or provocative language that is used to offend or hurt someone.