An insult created by the kik user @AshImunova. It is a pun on "ball-sucking-leech". By the way it sounds, it also implies that the person being called a "balleech" needs to drink bleach after stupidity that came out of their mouths.
A Foursome 69 where two members lie on the floor parallel to each other and the other two member position themselves over top them in a planking position. All face to genitalia, staking like Lincoln logs.
Tony: Stacy and I want to invite you and Amanda to Lincoln log tonight, you in?
Adam: that sounds great, we’re definitely in.