I think it's Homestruck characters making out. One's blue... One is green. Yeah.

two people kissing, they are possible gay

A couple of square-headed weirdos getting their smooch on.

two square heads kiss to form a single square head

A guy has a face. His face is cut in half? He is kissing himself with his own face. He is in love with himself

Eridan kissing... Eridan. Seems legit

Looks like two 'Eridan's tying their tongues together. looks kinda gay, really

purple squid fish people making out with their tongues

Alternate universe Harry Potter rambles drunkenly