all–in 
/ˌɑ:lˈɪn/ adjective
/ˌɑ:lˈɪn/ adjective 1 informal : very tired
▪ By the end of finals week, I was all-in. [=exhausted] — often written as two separate words ▪ You look all in. 2 Brit a : all-inclusive
▪ the all-in room rate
b : allowing almost any technique or method
▪ all-in wrestling
▪ By the end of finals week, I was all-in. [=exhausted] — often written as two separate words ▪ You look all in.
▪ the all-in room rate
b : allowing almost any technique or method
▪ all-in wrestling
