A sterile, plastic tube with a red lid similar in nature to those marketed by Falcon but from a (much) cheaper manufacturer.
PhD student 1: We're out of red lid tubes.
PhD student 2: Oh you balloon! You didn't order any.

Technician: Shall I order some red lid tubes?
PhD student: Yes. Bail on.
by UrbanBiochemist October 31, 2011
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