The term 'leave, slangily' can be solved by the crossword solutions of BAIL (4 letters), SPLIT (5 letters), BOUNCE (6 letters), and BLOW (4 letters). BAIL is a slang term for leaving quickly or abruptly, usually in an emergency situation. SPLIT is another slang term for leaving, usually used to describe a quick departure. BOUNCE is a slang term for leaving a place, often used to describe a sudden exit. Finally, BLOW is a slang term for leaving, usually used to describe a hasty departure.