Used to denote situations or questions which are found to be impossible to accomplish or extremely difficult to answer. Sometimes used sarcastically (see sarcasm ) toughie means "tough one." Or "hard."

the thing that you don’t have when you’re phones percentage is over 20

Term used to describe something remotely challenging. Often used in a context where someone doesn't really have the willpower or enthusiasm to carry out a task even though they have the ability both physically and mentally to perform it.

erection, boner, or woody/synonym of toughy

A really rough handjob.