BLOB = B = Bloggs Family

block v.

[common; from process scheduling terminology in OS theory] 1. vi. To delay or sit idle while waiting for something. "We're blocking until everyone gets here." Compare busy-wait. 2. `block on' vt. To block, waiting for (something). "Lunch is blocked on Phil's arrival."

--The Jargon File version 4.3.1, ed. ESR, autonoded by rescdsk.