Accidentally on purpose giving a shitty haircut on purpose accidentally.

When you are extremely stressed for exams and you go to sleep and then wake up and hour or so later and then go to sleep and wake up again etc.

The interval of time before you can take your pants off to masturbate when your partner/parents leave the house to avoid your partner catching you when they come back to find their wallet.

(STATISTICS) a range of values for which you are x percent confident contains the correct answer. Answers to a statistical question which are ranged from the lowest likely value to the highest; answers outside of this range are highly unlikely.

Presupposes that you are estimating a value based on sample data, and the sample data has a genuinely random variance.

Usually the confidence interval is for a 95% confidence, meaning there is only a 5% probability that the true value is OUTSIDE the interval.

Skipping a Nordic Ski Workout for Sexual Intercourse

when you go to sleep and have a dream, wake up after about a minute, go right back to sleep, dream for a minute again, wake up again, wash, rinse, repeat. this cycle ends when either the dream finishes or you can't go back to sleep.

1-A running workout involving running multiple short sprints. It develops quick twitch muscles, and improves sprinting speed. Really damn painful. Commonly run to improve times in distances from 50 to 400 meters. Long and middle distance runners also participate in speed intervals, although the effects are less noticeable.

2-The length of time between fixes of a methamphetamine user.