Swab - mop.

Topside - upstairs

Deck - floor

Hatch - door

Bunk - bed

Quarters - room

Bow - front

Stern - back

Starboard - right

Port - left

Cover - hat

Head - bathroom

Mess Hall - dining room

Gear - belonings

Ladder - stairs

Scuttlebutt - gossip

Bulkhead - wall

Goldbrick - fool around

Overhead - ceiling