Sucker
'sucker' is the definition.
(I know that sucker can be written as patsy)
This is the entire clue.
(Other definitions for patsy that I've seen before include "Fall guy - girl's name" , "One who is taken advantage of (mainly US)" .)
'sucker' is the definition.
(something used to suck drinks)
This is all the clue.
(Other definitions for straw that I've seen before include "Thin tube; yellow" , "Disastrously, it may be the last" , "Thatching material" , "Dry stalks" , "Pale-yellow - through which one can drink" .)
'sucker' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for sap that I've seen before include "Fluid in plant stems" , "Plant's fluid" , "Plant liquid or general vitality" , "Juice; energy" , "tunnel" .)