To wake someone up forcefully (by hitting, shaking, etc.); to rouse someone out of bed (colloquial).
試験の日、母が時間になって息子を叩き起こした。
On the exam day, the mother forcefully woke her son up at the appointed time.
彼は遅刻しそうで、ルームメイトに思い切り叩き起こされた。
He was about to be late and was roughly woken up by his roommate.
夏フェスで寝落ちした友達をみんなで叩き起こした。
At the summer festival we all woke up our friend who had fallen asleep.
To awaken someone by knocking (e.g., at the door); to rouse a person from sleep by making noise outside.
深夜に急用で彼を叩き起こしてしまい、申し訳なかった。
I had to wake him up by knocking late at night for an urgent matter; I felt sorry about it.
授業に遅れそうで、友達がアパートのドアを叩き起こしてくれた。
I was going to be late for class, so a friend knocked on my apartment door to wake me up.