TOSS-UP Meaning of TOSS-UP in English toss-up BrE AmE ˈtɒs ʌp ˈtɔːs- AmE \ ˈtɔːs- ˈtɑːs- ▷ toss-up|s s Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012