someone who is spilling out their guts about how they feel and such

you can be a sap when you are talking about how you feel about love life etc

A fool; someone who is prone to being taken advantage of, or who has been taken advantage of, usually in a situation that is easily perceived by others as foolhardy.

Irish slang; sad ass prick.

SAP
Sad And Pathetic

Noun. Insult. A person whose character has a spiritually debilitating effect on others. Typically an unhappy person who perenially moans to others but can also be someone who exhibits annoying behaviour.

acronym for Smile At Phone.

You read a funny or nice message on your phone and its not quite an "lol" but you are actually smiling and definitely feel stupid

can also be "sap-ing" in which u cant stop smiling