Short for Eyes Wide Open Continually and used to describe someone who always keeps their eyes open despite what's going on around them and the circumstances
As in "she is an ewoc" or "ewoc me baby" or "He gives it me ewoc"
Heat Seeking Missile - originally defined as a weapon of war but also used to describe someone (a male) with a high sex drive who is always chasing poonani and keeps up the persistance despite getting repeated knockbacks
As in : "Jimbo is an hsm" or "Jimbo was always despatching the hsm" or "Jimbo has an hsm"
Short for On The Ball , a term widely used in soccer describing a player who is efficient and professional. Also used to describe anyone similarly alert , and can be used to describe someone who is attractive or intelligent.
As in "Pele was always otb" or "Man,she's otb"