If you have questions about the conjugation of ирокез or Russian nouns in general, you can practice and get feedback from a professional tutor.
С тех пор как я сбрил свой ирокез, я начал смотреть на вещи по-другому.
Since I shaved my Mohawk, I started seeing things differently.
Быстро соображай своим ирокезом.
You need to get something through your Mohawk real quick.