stealthmail 

when you covertly send someone a voice mail using your voice mail system.

my girl just sent me a stealthmail and dumped me.

stealthmail by chaddy1228 June 25, 2007

Stealthily 

Stealthily is defined as something done secretly, slyly or in a manner designed not to attract notice. Creeping around silently in the dark to avoid being noticed as you enter a building is an example of a time when you enter stealthily.

the ninja moved stealthily between shadows.

Stealthily by BNR_Tub92BNR September 18, 2016

Stealthily 

When something is there, but not really there. Able to be present but not seen or disguised as something else.

Cherie has gotten fat from drinking lots of beer, but you can't tell, because she is stealthily fat!!

Stealthily by Gbrenner68 November 15, 2016