When a male person's "Ejaculatory Senses Are Tingling". Meaning, when a male spots a good looking female, he may say,"ESRT."
It may also be used when a male is about to get a boner, and in other circumstances which relate to good looking females.
Jimmy: Dude, ESRT.

Fred: Where?

Jimmy: Right there, the one in line over there.

Fred: Oh I see her, dang!


Jimmy: Dude, ESRT.

Fred: Not over here dude, back it up.
by Liger-time! October 29, 2010
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