Urgh how annoying. My DH has spells like this. Some days - a few times a day, when I get up to go for a pee, he gets up, reaches his arms out like a toddler and goes 'wah wah. kiss!' and blocks my way and won't let me past until I fucking kiss him. And he holds me tightly and squeezes me, and won't let go. 'Get outta that' he says 'go on! Get outta that!'
He thinks it's endearing and loveable, but in actual fact, it is bastard annoying and drives me mad.
Last time he did it, I said 'for fuck's sake I need a PISS! I am getting up to have a PISS, not to hug and kiss you!' Cue a 4 hour long sulk because I rebuffed him.
Also, he sometimes tries to keep me back when I am going off to the kitchen for a glass of water, or again going for a pee, and says 'look at this...' pointing to something on his phone or laptop. I am leaving the room but his desire to show me some shit he looking at trumps my desire to leave the room (apparently!)
I have actually started to just leave the room anyway now, and ignore his pleas to stop and come and look at what HE wants me to look at. He says 'oi I was talking to you.' I have started saying 'I told you I was leaving the fucking room! WAIT tilI come back in!'
ALSO when I complain about the hug hug hug kiss kiss kiss mwah... bullshit, he says 'can't I even kiss and hug my own WIFE now?' with THIS face > 
Sometimes men (husbands) think that their wives are possessions for them to order about and possess, and touch when they want. WE are here to remind them, that they are fucking wrong!
As has been said, it's a marking their territory/you belong to ME thing.