suck rubber
v. phr.β Β«Weβll have simulated ground bursts and smoke going off and people running around in protective suits sucking rubber, as people affectionately refer to it.Β» ββRobins unit set for major inspection” by Gene Rector in Robins Air Force Base Telegraph (Macon, Ga.) Nov. 30, 2005. (source: Double-Tongued Dictionary)