informal <非正式>
1
- with obj. knock or hit (someone or something) so as to cause a reverberating sound敲; 撞击（并发出巨响）：
he bonked his head on the plane's low bulkhead.
他的头“嘭”一下撞在了飞机的隔板上。
2
- wit. obj. Brit. have sexual intercourse〈英〉交媾。
3
- no obj.(of a cyclist runner) reach a point of exhaustion that makes it impossible to go further（自行车运动员）达到极限。
1
- an act of knocking or hitting someone or something so as to cause a reverberating sound敲击：
give it a bonk with a hammer.
用锤子敲击。
1.1
- a reverberating sound caused in such a way（敲击发出的）巨响。
2
- Brit. an act of sexual intercourse〈英〉交媾。
3
the bonk
a level of exhaustion that makes a cyclist or runner unable to go further（自行车或跑步运动员的）疲劳极限。
词源
1930s: imitative.