<em><u>Vexillologist:
</u></em><em><u /> a person who studies vexillology...
</em><em><u>what is vexillology:
</u></em><em>it is the study of collection and all information about flags...</em><em><u>
</u></em>
My answer would be thwack, as in the suction y noise when you step out of the mud.
Explanation:
you needn't stay in bed any longer, need you?
I HOPE THIS WILL HELP U
STAY SAFE, STAY HAPPY