When Dean placed his hands on her shoulders and peered round the corner above her head, she really had to bite her tongue to not snigger out loud as she felt like they were in some Scooby Doo episode or something similar. It made it funnier knowing that that reference would be something that Dean would no doubt take joy in as she knew he secretly loved the cartoon series, even if it was Daphne. 

She let him go slightly ahead once more and then started to step out behind him when before she could even get out of the basement properly, she heard Bobby's vice break through the silence making her grimace that they were so blantantly busted. 

She tried to continue hiding to see if she'd get away with getting up the stairs without being seen after Bobby spoke to Dean, but the moment he mentioned her she knew it was fruitless to continue hiding. So after Bobby was done talking, she stepped out from behind Dean and sheepishly gave her uncle a wave with an equally sheepish smile. 

"Hey uncle" she said, "uhh...we did offer to clean up..." she told him, "but we uhh...kinda got into a bar fight with vampires, they were hitting on me and tried to get me away from Dean, one thing lead to another..." she continued speaking, waving her hands around as she spoke, "and before we knew it vamp heads were taken off, we got a teeeeeeensy bit drunk and walked home, getting caught in the rain as we did so". she decided to pause what happened there. 

She wasn't going to say that the rest of Dean's clothes were in the old bus, deciding that she wasn't going to be the one to explain that plothole.