(v.)
1) A remark of sarcaism/witty expression as to make a joke about the other person/object. ie poke fun at someone - RIDICULE, MOCK
2) A act of having sexual intercourse/relations with another person or persons for fun ( comes from poke and poking )
3) The act of stabbing someone with an object and finding pleasure in it ( comes from poke )
4) The act of stricking/touching a person without much force usually very quickly especially repeatedly and with cause not pain to the person while both poeple find it funny ie a form of flirting ( comes from poking )

Dejagoo is the strange feeling that you've been in this sticky situation before. It is dejavu due to goo. Usual symptoms are shivers down once's spine followed by disgust, especially if actual goo is involved.