1. (Perhaps by analogy to a bouncing check) An electronic mail message that is
undeliverable and returns an error notification (a "bounce message") to the
sender is said to "bounce".
2. To play volleyball. The now-demolished D. C. Power Lab building used by the
Stanford AI Lab in the 1970s had a volleyball court on the front lawn. From 5 PM
to 7 PM was the scheduled maintenance time for the computer, so every afternoon
at 5 would come over the intercom the cry: "Now hear this: bounce, bounce!",
followed by Brian McCune loudly bouncing a volleyball on the floor outside the
offices of known volleyballers.
3. To engage in sexual intercourse; probably from the expression "bouncing the
mattress", but influenced by Roo's psychosexually loaded "Try bouncing me,
Tigger!" from the "Winnie-the-Pooh" books.
4. To casually reboot a system in order to clear up a transient problem.
Reported primarily among VMS users.
5. (VM/CMS programmers) Automatic warm-start of a computer after an error. "I
logged on this morning and found it had bounced 7 times during the night"
6. (IBM) To power cycle a peripheral in order to reset it.
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