Top Definition
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.
This is the third time Joe bought vanishing cream off the internet; what a sap!
by Sap_Master November 24, 2004
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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
joe liked mary and he always tell his boys that.
his boys would call him a "sap"
by _bbycakes November 15, 2009
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socially awkward penguin
Sap is only funny, because you can relate.
by Timmeh234 May 02, 2009
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Someone who is being love-dovey with opposite sex. Talking on the phone, texting, making subliminal messages on twitter or facebook.

OR

Playing slow music, love music, being soft .
" last night my man was tryna sap "

" i'm feeling like a big sap "
by @ohhweeetiab September 22, 2010
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The sticky stuff that comes out of trees.
person: aw crap! i've got sap all over my hands!
by sillysac August 29, 2005
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To Pass on something; a way of saying "no thank you" or "I'm not interested".
Ugly Girl Text: Hey boy, want to come over and fuck? I'm ready for anything
Drunk Boy Text: Saps
via giphy
by UBCfag December 19, 2016
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Irish slang; sad ass prick.
You're nothing but an ol sap.
by Mc FaItHlEsS November 02, 2012
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